In which sentence is the underlined group of words a prepositional phrase acting as an adverb?

my sister applied on tuesday to a graduate school in england.
my sister is going to write novels.
my sister hopes to be one of the finest novelists in the world.
my sister’s grades gave her a place in the top rank of her class.

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.