Your father likes to play golf. He’s really enthusiastic it.A. byB. aboutC. withD. on

问题补充：

Your father likes to play golf. He’s really enthusiastic it.

A. by

B. about

C. with

D. on

答案：

A. by

(答案→)B. about

C. with

D. on

解析：考查介词。短语be enthusiastic about对 ... 热心，根据句意选择B。