— It’s a fine day today. How about ? — Sounds great!A. go hikingB. go to hikeC. going hiki

问题补充：

— It’s a fine day today. How about ? — Sounds great!

A. go hiking

B. go to hike

C. going hiking

D. to go to hike

答案：

A. go hiking

B. go to hike

(答案→)C. going hiking

D. to go to hike

解析：How about…？是提建议的表达，后用动名词。go hiking 为固定短语去徒步旅行，所以选C 。