Most of the evidence was destroyed in the fire. _____, it would be almost impossible to prove Jim guilty.

A．Anyhow

B．However

C．Besides

D．Thus

药物溶解的一般规律是：“相似者相溶”，主要是指下列哪一项而言（）

A.药物（或溶质）和溶媒的结构相似

B.药物和溶媒的极性程度相似

C.药物和溶媒的分子大小相似

D.药物和溶媒的性质相似

E.药物和溶媒所带电荷相同