38.The task is hard, ___, the workers managed to finish it in time.
A.therefore B.otherwise C.however D.yet
38.The task is hard, ___, the workers managed to finish it in time.
A.therefore B.otherwise C.however D.yet
C
however 作可是解时,含义同but,前者有逗号相隔,后者后面没有逗号,前面可好可无。