A) I played the basketball yesterday. C) Do you like it
B) Thank you. D) That’s right.

A. Yeah, I will take the final exam next month.
B. Yes, how are you
C. It is fine, isn’t it
D. Where are you going

A.无论何时环境被许可，他们都会来助我们一臂之力。
B.无论何时，只要环境许可，他们都将来并且借给我们一只帮助之手。
C.无论什么环境，只要他们愿意，他们就会来并且借给我们一只帮助之手。
D.只要情况允许，他们总是来给我们帮忙。