The Price of Peaches Goes Up and I Observe You

The price of peaches goes up and I observe you buying fewer strawberries.Which of the following is consistent with this observation:

A) Strawberries are inferior and peaches are normal.
B) Strawberries are normal and peaches are inferior.
C) Both strawberries and peaches are inferior.
D) Both (a) and (b) .
E) Both (a) and (c) .
F) Both (b) and (c) .
G) All of the above.