A student is writing the introduction to an opinion piece about the best vacation activity.
Which sentence should he include in the introduction to most clearly present his topic?
A When traveling, one can choose from different forms of transportation.
B When planning for a trip, it helps to make a list of things to pack.
C Last summer, I went on a camping trip that I will never forget.
D I have visited six states so far, but I have not yet left the country.