It’s nothing serious. You’ve just caught. a cold. A. a bitB. a bit ofC. a littleD. a littl

问题补充：

It’s nothing serious. You’ve just caught. a cold.

A. a bit

B. a bit of

C. a little

D. a little of

答案：

A. a bit

(答案→)B. a bit of

C. a little

D. a little of

解析：本题考查短语。A bit of + n表示“一点……”。句意：不严重，你只是刚受了点风寒。