问题补充：
However busy he is, the young man will go to the country to see his granny .
A. every few days
B. every a few days
C. each few days
D. each a few days
答案：
(答案→)A. every few days
B. every a few days
C. each few days
D. each a few days
解析：考查固定短语。固定短语 every few days每几天。Every/each不能与a/an连用，因为every/each已经包含了每一的意思。故A正确。
