It is not how much we do but how much love we put into what we do                   benefits our work most.

A．where

B．that

C．when

D．who

律师在代理民事案件时，可以（）

A.申请诉前证据保全

B.向办案法官请客送礼

C.未经当事人同意与对方和解

D.申请法院调查证据

E.自行向对方当事人收集证据