What is the prefix of protested?

Ireally can't decide between these answer choices.

What happens in puerto rico in 2012 to celebrate the anniversary of clemente’s 3000th hit?

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.