We drove to the nearby Blue Ridge Parkway where we found a trail that wrapped around a lake . As we walked , we debated man 's capacity to change himself . Later , the girls watched movies , and the guys continued the ping pong wars while watching football .
According to the above context, choose the best option to answer the following question.
Question: What was the topic of conversation on the walk ?
Options:
A. How men can change .
B. How ping pong is played .
C. How girls treat each other .
D. How wars are fought .


A