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There was a________ look on his face when he met with the________ problem.

There was a________ look on his face when he met with the________ problem.

There was a _______look on his face when he met with the______problem.

There was a________look on his face when he met with the________problem.

There was a________look on his face when he met with the________problem.

A．confusing；confusing 　　　 B．confused；confused

C．confusing；confused 　　 D．confused；confusing