The computer is in my room.A. uncleB. sister’C. brother’s D. cousin

问题补充：

The computer is in my room.

A. uncle

B. sister’

C. brother’s

D. cousin

答案：

A. uncle

B. sister’

(答案→)C. brother’s

D. cousin

解析：原句意思是：电脑在我弟弟的房间里。A. uncle叔叔；B. sister’姐妹（词形不对）；C. brother’s兄弟的；D. cousin堂兄弟（姐妹）。故选C。