Resource X Has Many Close Substitutes, Whereas Resource Y Has

Multiple Choice

Resource X has many close substitutes, whereas resource Y has no close substitutes. Other things equal, we would expect

A) the demand for resource Y to be more elastic than the demand for resource X.
B) resources X and Y to be close substitutes.
C) resource X to be more expensive than resource Y.
D) the demand for resource X to be more elastic than the demand for resource Y.