问题描述：
为什么不能选A,.
Dianafelt very much upset at _____ to the party as she had longed to go for a longtime.
A.having not been invited B.not having been invited
C.not to be invited D.to be not invited
Dianafelt very much upset at _____ to the party as she had longed to go for a longtime.
A.having not been invited B.not having been invited
C.not to be invited D.to be not invited
问题解答：
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