Which sentence below shows the incorrect punctuation of an introductory transitional phrase? A. First and foremost, I think of a large ship when I think of Walt Whitman's "O Captain! My Captain!" B. Initially I think of a large ship when I think of Walt Whitman's "O Captain! My Captain!" C. Primarily, I think of a large ship when I think of Walt Whitman's "O Captain! My Captain!"​