The country life he had been used to greatly last year.A. /; changed B. which; has chang

问题补充：

The country life he had been used to greatly last year.

A. /; changed

B. which; has changed

Cthat; changing

D. what; have changed

答案：

(答案→)A. /; changed

B. which; has changed

C. that; changing

D. what; have changed

解析：考查定语从句和时态:句意：他习惯的乡村生活去年大大的改变了。第一空是定语从句，先行词是life，定语从句中be used to习惯于，缺少宾语，第二空是时态，时间是last year和过去时连用，选A。