问题
选择题
He has been in bed ______ he fell off his bike a week ago.
A．even if
B．soon after
C．now that
D．ever since
答案
答案：D
题目分析：考查从句连接词。A即使，引导让步状语从句；B不久之后；C既然；D自从，从那以后。现在完成时+since+含过去时的句子，意为“自从......就......”。故选D。
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