.— is the population of the United States?—I don’t know exactly but I’m sure that it has

问题补充：

.

— is the population of the United States?

—I don’t know exactly, but I’m sure that it has population than China.

A. How much; much less

B. How many; fewer

C. What; much less

D. What; a much smaller

答案：

A. How much; much less

B. How many; fewer

C. What; much less

(答案→)D. What; a much smaller

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