What Is the Reason for the Law of Increasing Opportunity

Multiple Choice

What is the reason for the law of increasing opportunity costs?

A) There is no reason: it is just one of the laws of economics.
B) Resources have varying abilities and those with lower opportunity costs of producing a good will be used to produce it before resources with higher opportunity costs produce it.
C) The price of a good rises as more of it is demanded.
D) As more of a good is produced,the taxes applied to the production of the good rise.
E) c and d