Jenny is in charge of ordering T-shirts for the math club at her school. If she paid $294 for 21 T-shirts, which of the following statements is true?
A.
Jenny paid $294 for 21 T-shirts, which is a rate of $21 per T-shirt.

B.
Jenny paid $294 for 21 T-shirts, which is a rate of $273 per T-shirt.

C.
Jenny paid $294 for 21 T-shirts, which is a rate of $35 per T-shirt.

D.
Jenny paid $294 for 21 T-shirts, which is a rate of $14 per T-shirt.