posted by selena .
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. There is no need for commas that indicate added details in a sentence.
C. Commas are needed to separate a list of three or more items in a sentence.
D. You should not use a comma to separate two complete sentences joined by "and."
I think its C or D
C is correct.
Commas are needed to separate two independent clauses joined by and.