Barth Anderson States That the 2008 "Downturn in the Economy

Barth Anderson states that the 2008 "downturn in the economy has really brought a lot of people home. They don't say, 'Well, we're going to order a pizza.' They actually cook." Assuming that restaurant meals and eating at home are substitutes for one another and only consumers' income decreases, what is true?

A) Restaurant meals are an inferior good and eating at home is a normal good.
B) Restaurant meals are a normal good and eating at home is an inferior good.
C) Restaurant meals are an inferior good and eating at home is an inferior good.
D) Restaurant meals are a normal good and eating at home is a normal good.