the American economy expanded at an annual rate of 2.5 percent in July—September, it faced

发布时间：2020-08-17 08:44:07

    the American economy expanded at an annual rate of 2.5 percent in July—September, it faced a long road to recovery.
A. Since　
B. If
C. While　
D. When

网友回答

A. Since　
B. If
(答案→)C. While　
D. When
解析：考查状语从句。while用作连词，可引导让步状语从句，意为“虽然”，符合题意。
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