Read the text and answer the question.
"Mark and his friends have decided to go camping this weekend. They're meeting at the main park entrance at 9 AM on Saturday to carpool to the campsite near the lake. They've already packed their tents."
A) At the lake on Sunday morning.
B) At the main park entrance at 9 AM on Saturday.
C) At the campsite on Saturday afternoon.
D) At Mark's house at 9 AM on Sunday.
E) They haven't decided on a meeting time or place yet.