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【单选题】
若复数 z = 3+4 i ,则Z的共轭复数 是 ( )。
A.
3-4 i
B.
-3+4 i
C.
-3-4 i
D.
4+3 i
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A.
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B.
The American woman didn't think her own husband was handsome.
C.
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A.
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A.
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A.
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A.
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B.
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C.
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D.
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A.
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B.
错误
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A.
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B.
-Fe
C.
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