“跋前踬后”比喻（）
A.顾此失彼
B.前后矛盾
C.本末倒置
D.进退两难
E.反复思考
参考答案：D
Help! My door shut after me and the eggs _________ in the pan.
A．have been fried
B．are being fried
C．have been fried
D．are frying
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