—— have you been away from your hometown Janet?——Since 5 years ago.A. How manyB. How lon

问题补充：

—— have you been away from your hometown, Janet?

——Since 5 years ago.

A. How many

B. How long

C. How much

D. How often

答案：

A. How many

(答案→)B. How long

C. How much

D. How often

解析：对于since+一段时间 ago相当于for +一段时间，一般与现在完成时连用，故选B