Kyla is buying clothes. She can choose between a red dress​, a blue sweater​, and black jeans. She​ doesn't like black jeans​, and after some​ thought, she chooses a red dress. What is the opportunity cost of this​ choice?
A.The a red dress​, the a blue sweater​, and the black jeans.
B.The blue sweater and the black jeans.
C.The blue sweater.
D.The black jeans