题目内容
（请给出正确答案）
[主观题]
When you introduce, you should introduce people of()rank to() rank，()to male to female, unmarried to married.
When you introduce, you should introduce people of（)rank to（) rank，（)to male to female, unmarried to married.
A.high, low; senior, junior
B.low, high; senior, junior
C.low, high; junior, senior
D.high, low; junior, senior
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