Colette Consumes Goods X and Y

Colette consumes goods x and y. Her indifference curves are described by the formula . Higher values of k correspond to better indifference curves.

A) Colette likes good y and hates good x.
B) Colette prefers bundle (12, 16) to bundle (16, 12) .
C) Colette prefers bundle (8, 5) to bundle (5, 8) .
D) Colette likes good x and hates good y.
E) More than one of the above statements are true.