Which sentence is punctuated correctly? (1 point)

A.I added bread, milk, and sugar to the list of ingredients needed to make the recipe.
B.Before you leave for the store...check to make sure your grocery list is complete.
C.Because, we live at a high elevation, sometimes we have to adjust the cooking time for recipes.
D.Baking bread is one of my favorite things to do on a weekend afternoon.

A.I added bread, milk, and sugar to the list of ingredients needed to make the recipe.