Which sentence is compound?

a.
they ate the peanut brittle on the car ride home.

b.
betsy and her family ate all the peanut brittle on the way home again!

c.
they hadn't planned the trip, but they returned to the store the next day and bought more peanut brittle.

d.
the hannons stopped at a store and bought five pounds of peanut brittle.

C. They hadn't planned the trip, but they returned to the store the next day and bought more peanut brittle.

I just took the test ;)

se definitley needs some fluids in her system other than alcohol, water gatorade anything like that,

explanation:

margot’s silence imply? what will be her relationship with the other children from this point forward? remember, we read about how the most effective authors tap into the power of imagination. we have to use that imagination, and what we have learned about margot, her classmates, and their experiences