For the past year he a flat with others and trying to save money to open his own busines

问题补充：

For the past year, he a flat with others and trying to save money to open his own business.

A. has been sharing

B. was shared

C. had been sharing

D. is sharing

答案：

(答案→)A. has been sharing

B. was shared

C. had been sharing

D. is sharing

解析：考查时态：句意：在过去的一年里，他一直和其他人共用一个公寓，努力的攒钱创办自己的生意。由时间状语For the past year,可知是过去一年一直做的事情，用现在完成进行时，选A。