Refer to the figure below. This economy would be operating at point B if:

A.it was operating efficiently.

B.resources that are better-suited to making movies were being used to make milk, while resources that are better-suited to making milk were being used to make movies.

C.the opportunity cost of making milk were higher than the opportunity cost of making movies.

D.the opportunity cost of making movies were higher than the opportunity cost of making milk.

正确答案：resources that are better-suited to making movies were being used to make milk, while resources that are better-suited to making milk were being used to make movies.