He asked several questions_______ the professor who gave us a lecture_______the balance of nature.

A．with; for

B．from; of

C．to; about

D．of; on

我国古代医德，无论是医疗，还是护理，主要受到哪家思想的影响（）。

A.道家

B.儒家

C.法家

D.墨家

E.儒家和道家