What is a proper noun

Who thin the context of this excerpt from act 2, scene 1, of macbeth, what is the meaning of the word multitudinous?

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.

Simple movements prove to be very significant and saves the rest of the day of the poet from being wasted. explain on the basis of the poem dust of snow class 10 dust of snow english