Which of the Following Situations Is Represented by a Nearly

Which of the following situations is represented by a nearly horizontal supply curve?

A) Small price changes lead to small changes in quantity demanded of the good.
B) Small price changes lead to small changes in quantity supplied of the good.
C) Producers of the good are not operating efficiently.
D) Producers of the good are not maximizing profit.
E) Small changes in the price of the good lead to large changes in the quantity supplied of the good.