The reason      he explained for his being late is     he got up late.

A．why, that

B．that, that

C．for which, because

D．that, because

卡那霉素（）

A.对结核茵无影响

B.结核茵全杀菌剂

C.结核茵半杀菌剂

D.结核茵抑茵剂

E.对末梢神经有损害