Tom was to go to bed when the telephone rang.A. likelyB. about C. toD. around

问题补充：

Tom was to go to bed when the telephone rang.

A. likely

B. about

C. to

D. around

答案：

A. likely

(答案→)B. about

C. to

D. around

解析： 考查句型：be about to do when,即将做某事，正在那时，句意：汤姆即将去睡觉正在那时电话响了。故选B。