根据上下文补全对话。    

A: Hello!  I'm a reporter from the radio station. May I ask you some questions?    

B: Sure.  1   is it?    

A: Uh-huh, and   2     3  do you read?    

B: I read every day at school.    

A: How often do you exercise?    

B: I exercise about three   4   a week.  

A: How often do you   5   ?  

B: Shop? I shop about once a week.  

A: Well. Thanks a lot.  

B: You're welcome.

陈旧肛裂伴有肛门狭窄时最佳治疗方法为（）

A.内服凉血地黄汤

B.生肌玉红膏外敷

C.封闭疗法

D.扩肛法

E.纵切横缝法