I remember that took part in the ball party had a wonderful time.A. allB. all thatC. all

问题补充：

I remember that took part in the ball party had a wonderful time.

A. all

B. all that

C. all which

D. all what

答案：

A. all

(答案→)B. all that

C. all which

D. all what

解析：考查定语从句。句中先行词为all，在从句中作主语，只能用关系词that。句意：我记得所有参加舞会的人都有一个美好的时光。