阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Researching both experts’ and travelers’ opinions, we selected some good Hollywoodtours.
Big Bus Tours Los Angeles—TMZ Celebrity Tour
Price: $59 for adults and $49 for kids aged 3 to 12. Children younger than 2 are notpermitted
Duration: 2 hours
TMZ operates this bus tour to take travelers through Hollywood in the hopes of seeingtheir favorite celebrities. During the two-hour trip, TMZ guides will take you to celebrityhangouts in West Hollywood, Beverly Hills, the Sunset Strip and more. The guides evenbring video cameras in case a passing celebrity （名人） is willing to give an interview.
The Real Los Angeles Tours—The Real Hollywood Tour
Price: $40 for adults; children 12 and younger for free.
Duration: 2 hours
During this historic walking tour, travelers will learn why Hollywood—once a farmingtown—was selected by movie industry pioneers in the early 20th century. The two-hour touralso stops at unique sights, such as the oldest house in Hollywood. But major attractionsaren’t forgotten either: You can expect to see the Capitol Records Building, the DolbyTheatre and the Hollywood Walk of Fame, among other sights.
Bikes and Hikes LA—Hollywood Sign Hike
Price: $34 per person.
Duration: 2.5 hours
For a unique and sunshine-filled Hollywood tour, opt for this 2.5-hour hike to theHollywood sign. Highlights include a view of the Griffith Observatory, panoramic views fromMount Hollywood and local guides who also double as actors and comedians. Along the 4-mileround-trip hike, you might even see local celebrities walking their dogs. Bikes and Hikes LArecommends wearing sunscreen, sunglasses and sneakers, and bringing a smartphone for allthose Instagram-worthy views.
Hollywood City Tours—The Original Hollywood Tour
Price: Approximately $45 for adults; $35 for kids 11 and younger
Duration: 2 hours
According to travelers, this tour is worthwhile if you’re only in Los Angeles for a shortamount of time, as you cover a lot of ground in just two hours. You’ll cruise （慢速行驶）along Rodeo Drive and the Sunset Strip in an open-top bus as your driver (who doubles asyour guide) shares interesting tidbits （趣闻） and historical information.
21．Which is the cheapest tour for a couple with a kid aged 5?
A．Big Bus Tours Los Angeles—TMZ Celebrity Tour.
B．The Real Los Angeles Tours—The Real Hollywood Tour.
C．Bikes and Hikes LA—Hollywood Sign Hike.
D．Hollywood City Tours—The Original Hollywood Tour.
22．Which of the following does Bikes and Hikes LA suggest taking?
A．A smartphone. B．A video camera. C．A sweater. D．A telescope.
23．What can travelers do during an open-top bus tour?
A．Come across their favorite celebrities. B．Have a view of Griffith Observatory.
C．See the Capitol Records Building. D．Hear some historical information.
