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Frank insisted that he was not asleep________ I had great difficulty in waking him up.

A．whether　　

B．a(chǎn)lthough

C．for　　　　

D．so

Frank insisted that he was not asleep______ I had great difficulty in waking him up.

Frank insisted that he was not asleep______ I had great difficulty in waking him up.

A．whether          B．a(chǎn)lthough          C．for               D．so

Frank insisted that he was not asleep         I had great difficulty in waking him up.

A. whether       B. although        C. for             D. so

Frank insisted that he was not asleep _____ I had great difficulty in waking him up.

A. whether　　　 B. although　　　 C. for　　　　　　 D. so

Frank insisted that he was not asleep         I had great difficulty in waking him up.