________the American economy expanded at an annual rate of 2

________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
橙味C 1年前 已收到1个回答 举报

jygah 花朵

共回答了17个问题采纳率:100% 举报

C

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。

1年前

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