While eating at alex’s “pizza by the slice” restaurant, kara

While eating at Alex’s “Pizza by the Slice” restaurant, Kara experiences diminishing marginal utility. She gained 10 units of satisfaction from her first slice of pizza consumed, and would only receive 5 units of satisfaction from consuming a second slice. Based on this information we can conclude that:
A) Alex may have to lower the price to convince Kara to buy a second slice
B) Kara will not eat a second slice, even if it is given to her at no charge.
C) Kara will definitely want to buy a second slice of pizza.
D) even if Kara buys a second slice, she will not buy a third slice.