A-A+
The chief reason for the population growth isn
问题详情
The chief reason for the population growth isn"t so much a rise in birth rates a fall in death rates as a result of improvements in medical care.
A．but
B．or
C．as
D．and
参考答案
正确答案：C
解析：本题中要特别重视的是so much的出现，这就要求正确的选项应该能够与之相呼应，构成合理的搭配。可以看出，能够满足这种搭配关系的选项只有C。
