Good a Has an Income Elasticity Equal to 1

Multiple Choice

Good A has an income elasticity equal to 1.0 and a cross price elasticity with respect to Good B of -0.6. Then:

A) ​Good A is an inferior good and Goods A and B are substitutes.
B) ​Good A is an inferior good and Goods A and B are complements.
C) ​Good A is a normal good and Goods A and B are substitutes.
D) ​Good A is a normal good and Goods A and B are complements.