单项选择题

In erect, sitting and semireclining position, the lowest parts of male and female are ________ respectively.
A、rectovesical pouch and rectouterine pouch
B、rectovesical pouch and vesicouterine pouch
C、superior duodenal recess and vesicouterine pouch
D、inferior duodenal recess and vesicouterine pouch
E、rectovesical pouch and inferior duodenal recess

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