In how to eat an ice cream cone when does the author give instructions for taking an ice cream cone from the cashier

The pizza delivery boy was neither early nor late he was right on time. question 12 options: (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.