单项选择题

Questions 26-30 are based on the following table:

Which group showed the greatest change over the 20 years（）

A．Single men.
B．Single women.
C．Married men.
D．Married women.

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A．watered B．waterC．wateringD． waters
单项选择题
The percentage of females out of marriage in 2011 was （）

A．26
B．34
C．35
D．48
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