Question

【题目】After checking the patient, the doctor ran out of the room, ____ a deep sigh.

A. let outB. letting out

C. to let outD. to be let out

Answer 1

【答案】B

【解析】

考查非谓语动词。句意：检查完病人后，医生跑出了房间，深深地叹了一口气。doctor与let out之间是逻辑上的主谓关系，表示主动，用现在分词作伴随状语，故B项正确。