— Ugh, what a mess! You need to clean the room right now, lazy bones!
— But the exam is approaching!
A. constantly
B. mildly
C. thoroughly
D. previously
网友回答
A. constantly
B. mildly
(答案→)C. thoroughly
D. previously
解析：副词辨析. Constantly不断地,时常地; mildly温和地,适度地;thoroughly彻底地,完全地;previously预先,仓促地.句意:呃,太乱了!你必须立即把房间彻底打扫一遍,懒骨头!——但是考试就要到了。结合语境可知选C。