Which of the Following Syllogisms Commits the Fallacy of Affirming

Which of the following syllogisms commits the fallacy of affirming the consequent?

A) If the hardware store is closed, then I can't buy the replacement pipe today.And I can't buy the replacement pipe today.So the hardware store is closed.
B) If there is an alien invasion, humanity will be enslaved.And there is an alien invasion.So humanity will be enslaved.
C) If the phone breaks during the contract period, then the phone company will replace it for free.And the phone has broken during the contract period.So the phone company will replace it for free.
D) If a few drops of lemon juice are added to the recipe, then the cake has a zestier flavor.And a few drops of lemon juice were added to the recipe.So the cake will have a zestier flavor.
E) If these old glass jars have been cleaned properly, then they can be recycled.But they haven't been cleaned properly.So they cannot be recycled.