for the question
5. When you have three or more items in a series, the final comma before the conjunction (and, or, nor) is
O A. necessary.
O
B. optional.
O C. a comma splice
O D. confusing
5. When you have three or more items in a series, the final comma before the conjunction (and, or, nor) is
O A. necessary.
O
B. optional.
O C. a comma splice
O D. confusing