Which of the Following Statements About the Relationship Between Marginal

Which of the following statements about the relationship between marginal product and average product is correct?

A) When average product exceeds marginal product, marginal product must be rising.
B) When marginal product is falling, average product is falling.
C) When marginal product exceeds average product, average product must be rising.
D) Average product equals marginal product when marginal product is at its maximum.
E) Average product equals marginal product at marginal product's lowest point.