【单选题】【消耗次数：1】
49．牛子宫的血液供应来自
①
A．脐动脉、臀前动脉和阴道动脉
②
B．卵巢动脉、脐动脉和阴道动脉
③
C．卵巢动脉、脐动脉和臀前动脉
④
D．卵巢动脉、髂外动脉和阴道动脉
⑤
E．卵巢动脉、臀前动脉和阴道动脉
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