Friendship helps us understand       we are,       we need each other and     we can do for each other.

A．what; why; how

B．who; how; what

C．who; what; why

D．who; why; what

做美胸护理按摩时，出现局部（）属于正常情况。

A.红、起水泡

B.青紫、胀痛

C.红、胀、痛

D.胀痛、起水泡