Regarding the use of commas, which one of the following statements is accurate?
A. A parenthetical use of commas is usually confusing to the reader.
B. You should not use a comma to separate two complete sentences joined by "and."
C. Commas are needed to separate a list of three or more items in a sentence.
D. There is no need for commas that indicate added details in a sentence.

Respuesta :

C is the correct answer because when you are writing a list of items you use commas to separate items. " Johnny had to buy milk, eggs, and bacon for his mother "