已知{a_n}为等差数列，a₁+a₃=22，a₆=7，则a₅=______．

Questions 23～26

A. A woman is not as capable as a man.
B. A woman is not as attentive as a man.
C. A woman tends to take the initial step to talk with a man.
D. A woman tends to improve the first impression she makes.