问题
选择题
—What made little Tony so unhappy and cry in his room?
— ______ to go hiking with his brother.
A．Having not been allowed
B．Not having allowed
C．Having not allowed
D．Not having been allowed
答案
答案：D
题目分析：现在分词的完成时态的否定式，直接在最前面加否定词：not 。所以选择：not having been allowed。句意：——什么事情让小托尼那么不开心，在房间里哭呢？——没有被准许跟他的兄弟一
块儿去远足。