1986～2000年间，依据宪法规定，全国人大通过了一系列法律，逐步形成了以宪法为核心的中国特色社会主义法律体系。其最重要的作用是 [ ]

A．为依法治国奠定了基础　　　

B．推进了我国立法工作

C．提高了公民的法律意识　　　

D．推动了普法教育活动

More than one student _________ read the novels, which _________ written by David.

A．has, was

B．have, were

C．has, were

D．have, was