bananas do you need?A. HowB. How manyC. How muchD. What

问题补充：

bananas do you need?

A. How

B. How many

C. How much

D. What

答案：

A. How

(答案→)B. How many

C. How much

D. What

解析：句意: 你需要多少香蕉？how 怎样，表示方式；how many 多少，后跟可数名词；how much 多少，后跟不可数名词；或多少钱，询问价格；what 什么。根据句意可知选B。