The girl _____ Susan, who often helps other people, _____ Lei Feng in this university. [ ]

A. whose name is ; comparing with

B. calling; is compared to

C. who called ; compares to

D. called; is compared to

急性心肌梗死后，血CK及CKMB升高出现的时间是 （）

A.0.5～2小时

B.3～8小时

C.8～18小时

D.4～6小时

E.5～12小时