The atmosphere at the party was electrifying．Many people ________ the circle dance．

The atmosphere at the party was electrifying．Many people ________ the circle dance．

A.joined

B.joined with

C.joined to

D.joined in

答案及解析： D

join in指“加入某项活动”；join指“加入某个组织”；join＝become a member of，成为当中的一员。