第17题: [单项选择]I am afraid that you have to alter your ______ views in light of the tragic news that has just arrived. A. indifferent B. distressing C. optimistic D. pessimistic 参考答案:C 答案解析:optimistic乐观的;indifferent漠不关心的,冷漠的;distressing令人沮丧的,令人难过的;pessimistic悲观的。句意:根据刚得到的坏消息,恐怕你不得不改变你乐观的看法