题目

— Why did Lucy weep so sorrowfully?    — She could not stand ____ like that before the whole class.     A．making fun of           B．to be laughed at                  C．being made fun      D．being made fun of 答案：D 解析: 本题考查的是非谓语动词的用法。Stand之后的动词要用-ing的形式，另外此处还有被动的含义。若分段函数x2-4x+8，x＞08-x2x＜0，若f（f（a）≥8，则a为 ．