Question

（2011·黑龙江哈三中10月考）---Have all the mysteries been cleared up?

--- Almost. But ______ only one question ______.

A. there remains; answered　　　　　　　 　　　　　 B. it remains; to be answered

C. there remains; to be answered　　　　　 　 D. it remains; answered

Answer 1

C考查there be句型及不定式作定语。语境：---所有的谜团都解开了吗？---几乎都解开了。只剩下一个还未解决。