A. Please get me, some eggs milk and some butter.
B. Please get me some eggs, milk and some butter.
C. Please get me some eggs milk, and some butter.
D. Please get me some eggs milk and, some butter.
B. Please get me some eggs, milk and some butter.
Explanation: The comma goes between the items in your list, but not before 'and'.
Explanation: The comma goes between the items in your list, but not before 'and'.