单选题
Why did the number of complaints drop?
A、
Because they got poor reception.
B、
Because the humidity was interfering with the signals.
C、
Because there came a blast of dry air.
D、
Because humidity increased rapidly in the region.
【正确答案】
C
【答案解析】
[试题分析] 本题为细节题。
[详细解答] 问为什么抱怨的人数减少了。短文第三段最后一句说，当一股干燥气流降临该州时，抱怨的人数急剧下降，故C为正确选项。
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