问题详情：
单项选择
—Do you remember our trip to Nanjing? It was raining the whole day. What ______awful day!
—Yes. But _______ old man with white hair helped us a lot. How lucky we were!
A. a; an B. an; an C. the, an D. an; the
【回答】
D
知识点：冠词
题型：选择题
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