The weather in Beijing in summer is ___than that in Shanghai. They are different.

A．cool

B．much cooler

C．hot

D．much hotter

治疗脾虚食积之泄泻，宜选用的方剂是（）

A.参苓白术散

B.枳实导滞丸

C.保和丸

D.健脾丸

E.补中益气汤