A.
Price sensitivity is how your customers react to the price of your product. If they are price sensitive, they are willing to pay more for what they want.
B.
Price sensitivity is how your customers react to the price of your product. If they are price sensitive, they want choices.
C.
Price sensitivity is how your customers react to the price of your product. If they are price sensitive, they are more likely to change their mind if there is a price change.