单项选择题
A.融资 B.回购 C.抵押 D.反回购
A.106.60 B.103.21 C.102.28 D.105.11
A.50 B.51.25 C.52.5 D.51.27
A.2.36 B.-2.36 C.51.52 D.-51.52
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