— I wonder you’ll water this kind of flower. ——Every other day.A. how oftenB. how longC.

问题补充：

— I wonder you’ll water this kind of flower.

——Every other day.

A. how often

B. how long

C. how soon

D. how much

答案：

(答案→)A. how often

B. how long

C. how soon

D. how much

解析：考查相似疑问词的区别。根据答语Every other day可知对方问的是多久浇一次这种花。how often问频率，符合题意。