and I’ll get him. He is in the next office.A. Go onB. Keep upC. Hang up D. Hold on

问题补充：

and I’ll get him. He is in the next office.

A. Go on

B. Keep up

C. Hang up

D. Hold on

答案：

A. Go on

B. Keep up

C. Hang up

(答案→)D. Hold on

解析：动词短语辨析。A继续；B保持；C挂断；D别挂断，坚持；句意：别挂断，我去找他，他就在隔壁办公室。故D正确。