【题目】Leaders of many countries have been trying to what it is that makes China develop so fast in recent years.
A. carry out B. figure out
C. watch out D. make out
在线课程【答案】B
【解析】考查动词短语辨析。A. carry out执行；B. figure out弄明白；C. watch out当心；D. make out明白。句意：许多国家的领导人想弄清楚到底是什么使中国发展如此快。故选B。