问题 单项选择题

______ quite recently, most mothers in Britain did not take paid work outside the home.

A.Before

B.Until

C.From

D.Since

答案

参考答案:B

解析: before意为“在……之前”;until意为“到……为止,在……以前”;from意为“从……到……”;since意为“自从……之后”。

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