(2012·天津)It doesn't matter ________ you turn right or left at the crossing—both roads lead to the park.

A．whether

B．how

C．if

D．when

下列选项，属于五味子主治病证的是（）

A.肺虚久咳

B.自汗，盗汗

C.久泻，久痢

D.肾虚遗精

E.心悸，失眠，多梦