When I dropped in his family at the table talking about something.A. satB. was sittingC.

问题补充：

When I dropped in, his family at the table, talking about something.

A. sat

B. was sitting

C. have sat

D. were sitting

答案：

A. sat

B. was sitting

C. have sat

(答案→)D. were sitting

解析：可联系答.案.网客服索取。