Answer:
C. The value of what is lost when picking one choice over another
Step-by-step explanation:
The key to opportunity cost is literally the words. The opportunity cost is the (cost) or price you have to pay for taking one opportunity over another one.
.....Opportunity cost is the value of the next best thing you give up whenever you make a decision. It is "the loss of potential gain from other alternatives when one alternative is chosen".
Hope This Helps!