第18题: [单项选择]Obama administration officials grew ______ with the rating agency through the debt limit debate. A. frustrated increasingly B. increasingly frustrated C. frustrated increasing D. increasing frustrated 参考答案:B 答案解析:本题考查的知识点是修饰语的位置。 句意:奥巴马政府在债务危机中对评级机构感到越来越沮丧。单个副词修饰分词,放在所修饰词的前面。