题目内容
【题目】He had to retire early __________ poor health.
A.as a result
B.because
C.so
D.because of
【答案】D
【解析】句意：他不得不因为健康不良而提早退休。as a result因此，结果是；because跟从句，so所以；because of+名词，故选D。
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题目内容
【题目】He had to retire early __________ poor health.
A.as a result
B.because
C.so
D.because of
【答案】D
【解析】句意：他不得不因为健康不良而提早退休。as a result因此，结果是；because跟从句，so所以；because of+名词，故选D。