Why Do Additional Firms Often NOT Try to Compete with a Natural

Multiple Choice

Why do additional firms often NOT try to compete with a natural monopoly

A) They fear retaliation in the form of pricing wars from the natural monopolist.
B) They are unsure of the size of the market in general.
C) They know they cannot achieve the same low costs that the monopolist enjoys.
D) They see that the natural monopoly doesn't make a huge profit.