_________side of the street is lied with different shops, _________of which sell electronic products.

A．Both; both

B．Either; all

C．Neither; either

D．Either; both

患者，男，30岁。因思虑过度，夜梦多，经常失眠，频发滑精，并有盗汗现象，最宜选用的药物是（）

A.山茱萸

B.五味子

C.桑螵蛸

D.海螵蛸

E.芡实