Once out of the earth’s gravity,the astronaut is _____ by the problem of weightlessness.A.effected B.intended C.injured D.affected

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Once out of the earth’s gravity,the astronaut is _____ by the problem of weightlessness.
A.effected B.intended C.injured D.affected

答案是最后一个.“be affected by ……”“受…………影响”
其它选项意思不符,搭配也不对.

D。affected by 受~~~影响。