Which of the following combinations of options and underlying investments have similarly shaped profit/loss diagrams()

A. Long call option/short put option and long stock position. 

B. Covered call and short stock/long call. 

C. Short put option/long call option and protective put.

头晕目眩，面白无华，视物模糊，舌淡脉细，其证候是（）

A.肝血虚证

B.心血虚证

C.心肝血虚证

D.心脾气血虚证

E.肝阴虚证