Cindy wrote this expression to describe how much she paid for movie tickets.

4 × p

Which situation could be described by this expression?

A.
Cindy knows that each ticket costs $4. She does not know how much money she spent.

B.
Cindy knows she is buying 4 tickets. She does not know how much she is paying for each ticket.

C.
Cindy knows that each ticket costs $4. She knows that she is buying 4 tickets.

D.
Cindy knows she is buying 4 tickets. She does not know how many tickets she already has.