Which sentence uses the verb correctly?

A. Yesterday, I eat a funnel cake with chocolate and peanut butter toppings.
B. Lonnie has ate 20 hot dogs during the county fair Hot Dog Eating Contest.
C. Right now, Susan ate a large bucket of french fries with salt and vinegar.
D. Last year at the fair, I ate a stromboli, a bucket of fries, and elephant ear.