With a lot of difficult problems _______, the manager felt worried all the time.

A. settledB. to be settled

C. settlingD. to settle

 

D

【解析】 D 本題考查with復(fù)合結(jié)構(gòu)。經(jīng)理一直憂心忡忡，是由于有很多困難要解決，因此用不定式表示要解決；又因句中解決困難的人是經(jīng)理，因此要用主動形式。

 

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