When the powerful earthquake struck and all lights went out all of a sudden. It seemed _______ the world was at an end.

A．as if

B．even if

C．such as

D．like that

BASELII协议中用以计算资本充足率的风险不包括下面哪一种？（）

A.市场风险

B.业务风险

C.操作风险

D.信用风险