【由上海市崇明县2014模拟改编】
Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context.
Due to rising pollution and a strengthening yuan, Beijing saw its tourist numbers drop to 4.20 million visits from January to November in 2013 from 5.01 million visits in 2012.
