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【单选题】
已知点A，B的坐标分别为（1，2）和（4，2），则向量 AB 按向量 a =(-1，3) 平移后得到的向量坐标是（ ）A.
（3，0）
B.
（3，5）
C.
（-4，3）
D.
（2，3）
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