We have        to do before the exams, of course we can’t watch        TV now.

A．lots of, too much

B．a lot, too many

C．a lot of, a lot

D．a lot, too much

关于魏晋玄学产生的背景，下列说法错误的是（）。

A.汉末政治动荡，宦官专权，处士横议，引发两次党锢之祸

B.道教产生，黄巾大起义爆发

C.战乱频仍，群雄逐鹿，瘟疫流行，人口锐减

D.经学兴盛，礼乐流行