What was the profession of the pioneer of "the great silk road"?

Which option is the most relevant piece of evidence for this claim

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.

  which statement describes the main argument of truth’s speech