If You Are Told That the Green Cheese Market on the Moon

Multiple Choice

If you are told that the green cheese market on the moon is a monopoly, you would know that there

A) is only one seller of the green cheese produced on the moon
B) is only one buyer of the green cheese produced on the moon
C) is only green cheese on the moon
D) are close substitutes for green cheese on the moon
E) are only a few producers on the moon