单选题 Speaker A: We just came back from Phoenix. And we had the best vacation in years.
Speaker B: ______I"m glad to hear it.
【正确答案】 C
【答案解析】[解析] A说“我们刚从凤凰城回来,这真是今年最愉快的假期啊!”根据B的后半句“我很高兴听到它”可知此处应该是肯定A的。A项“它怎么样?”B项“啊,我的天啊!”C项“好得很,真替你高兴啊。”D项“哦,你又来了。”故答案选C。