Kids talk frequently about what they can do, __________ many adults do the opposite, tending to talk about what they can’t and why.

A．and

B．so

C．while

D．however

( )就是要把全心全意为人民服务的思想与履行自己的职责统一起来，一方面有效地打击违法犯罪活动，另一方面保障人民群众的权利和利益不受侵犯。

A．一切依靠群众
B．一切为了群众
C．从群众中来，到群众中去
D．服务群众，保护群众