Rejecting Claims in Statistics?

A fast-food chain claims one small order of its tater tots weighs 90 grams. Ava thinks she is getting less than what the restaurant advertises. She weighs the next 14 random orders of tater tots before she eats them and finds the sample mean is 89.3 grams and the standard deviation is 3.71 grams. What conclusion can be drawn at α = 0.05?

 A.There is not sufficient evidence to prove the fast-food chain advertisement is true.

B. There is sufficient evidence to prove the fast-food chain advertisement is false.

C. Ava does not have sufficient evidence to reject the fast-food chain's claim.

 D.Ava has sufficient evidence to reject the fast-food chain's claim.

 E.There is not sufficient data to reach any conclusion.