【题目】Many of the only children are so accustomed to _ that they react violently when they hear something different．
A．having praised B．praised
C．praising D．being praised
在线课程【答案】D
【解析】解析：独生子中的许多如此习惯于被表扬以致于当他们听到不同的事情时都会反应很剧烈。Be accustomed to +动词ing形式，“习惯于”，句子的主语是praise的动作承受者，故用v-ing形式的被动式。故选D。