To tell truth he is at loss what to do currentlyA. /; aB. the;/C. the; aD. /;/

问题补充：

To tell truth, he is at loss what to do currently．

A. /; a

B. the;/

C. the; a

D. /;/

答案：

A. /; a

B. the;/

(答案→)C. the; a

D. /;/

解析：考查冠词。to tell the truth “说真的”和be at a loss“不知所措”，它们是固定短语。