French is difficult to learn.A. kind ofB. a bit ofC. a lot ofD. kinds of

问题补充：

French is difficult to learn.

A. kind of

B. a bit of

C. a lot of

D. kinds of

答案：

(答案→)A. kind of

B. a bit of

C. a lot of

D. kinds of

解析：kind of 表示有一点儿，可以修饰名词和相当于名词的词，a bit of 表示一点儿，而a lot of和kinds of是修饰名词的，故选A