Which sentence does not contain any punctuation errors?

         A. For this experiment you will need; a magnet, a piece of paper, and a steel washer.        B. For this experiment you will need: a magnet, a piece of paper, and a steel washer.        C. For this experiment you will need a magnet, a piece of paper, and a steel washer.        D. For this experiment you will need, a magnet, a piece of paper, and a steel washer.



Answer :

I would like to say B because it includes the colon after you will need. The commas are correct too.
A is correct (: hope you do good