Mark the sentence with the best punctuation.
a. The committee consisted of Mr. Green, the chair of the Dept, Mr. Brown, the dean of the College, and Mr. Blue, the student body president.
The committee consisted of Mr. Green (the chair of the Dept), Mr. Brown (the dean of the College), and Mr. Blue (the student body president).
c. The committee consisted of: Mr. Green (the chair of the Dept), Mr. Brown (the dean of the College), and Mr. Blue (the student body president).