If Two Goods Both Had Positive Cross Elasticities and Positive

Multiple Choice

If two goods both had positive cross elasticities and positive income elasticities,

A) ​they are both normal and substitutes for one another.
B) ​they are both normal and complements for one another.
C) ​they are both inferior and substitutes for one another.
D) ​they are both inferior and complements for one another.