Question

When items in a list already contain commas, the writer should separate the items in the list using?

Answer 1

the answers not listed are commas, hyphens, periods and semicolons. only one is correct but i dont know it cause im doing the unit test that the question is from

Answer 2

When items in a list already contain commas, the writer should separate the items in the list using colon, semicolon, or a dash.