1.2.3 quiz understand setting character and dialogue

Correct the sentence below: the pizza delivery boy was neither early nor late he was right on time. a: correct as it is b: the pizza delivery boy was neither early nor late, he was right on time. c: the pizza delivery boy was neither early nor late; and he was right on time. d: the pizza delivery boy was neither early nor late: he was right on time.

What is the answer to this question

Read the sentence. thomas jefferson himself worked on a draft of the document. what kind of pronoun is himself?