According to the author, what does traveling mean?
A.
Traveling is fatal to prejudice and narrow-mindedness.
B.
Traveling is a burdensome series of running and waiting, and after countless hours, finally getting there.
C.
Traveling is more than seeing the sights; it is a change that goes on, deep and permanent, in the ideas of living.
D.
Traveling provides great memories and causes changes in our brain.