阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。
Just north of the airport in Phoenix, in one of America’s most noisy and violent neighborhoods, if you listen closely, you can hear a chorus of small voices from a classroom in a white brick school building. Brenda Combs is 36 her students in song. “When we wake up in the morning,” she 37 in a passionate voice, “we can brush our teeth … comb our hair … eat some food ... and get ready for a 38 day.”
The kids in this summer class 39 in age from 5 to 12 and, like most pupils at StarShine Academy—a school 40 kindergarten through 12th grade—come from Phoenix’s poorest families. Some of their parents are drug addicts; 41 are homeless. The woman by the chalkboard, in her opinion, has 42 a kind of success that once would have seemed well 43 her grasp. Combs, who runs the summer program and teaches third and
