— It seems that Fred has a big plan.

— Yes. He wants to devote all of his time _____ films. [ ]

A. to write

B. writing

C. to writing

D. for writing

由四逆汤化裁为通脉四逆汤属于（）

A.药味增减的变化

B.药量增减的变化

C.药物配伍的变化

D.剂型更换的变化

E.以上均不是