— have you lived in Binzhou?—For about ten years.A. How soonB. How often C. How longD. How

问题补充：

— have you lived in Binzhou?

—For about ten years.

A. How soon

B. How often

C. How long

D. How much

答案：

A. How soon

B. How often

(答案→)C. How long

D. How much

解析：根据答语For about ten years只是问多长时间（how long）。