If an Increase in the Supply of Good a Decreases

Multiple Choice

If an increase in the supply of good A decreases the demand for good B,then

A) the cross elasticity of supply for good B with respect to the price of good A is negative.
B) the elasticity of supply for good A is greater than 1.
C) A and B are complements.
D) A and B are substitutes.
E) the demand for A is price elastic.