Which sentence is correctly punctuated?


A.

On their camping trip, they brought: a tent, a portable stove, and a map.


B.

They brought the following items on their camping trip: a tent, a portable stove, and a map.


C.

They brought these items on their camping trip a tent, a portable stove, and a map.


D.

A tent, a portable stove, and a map are: what they brought on their camping trip.