Which sentence is punctuated correctly?

Question

A. The swim meet starts in an hour—we need to hurry!
B. Which bus do we take to get to the pool . . .
C. I have snacks, a bottle of water—and a towel in my bag.
D. My swim meet was canceled because of rain. . . but it will be rescheduled.

Answer 1

The correctly punctuated sentence is:

A. The swim meet starts in an hour—we need to hurry!