There are more than twice _____people on the planet today as the

There are more than twice _____people on the planet today as there were in 1960.
A、as much
B、but
C、much
D、so much
【正确答案】：A
【题目解析】：此句话的意思是地球上现在的人口比1960年是的人口多了一倍。“more than twice as much... as...”表示比以前多一倍。