Direction: In these questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
Many things have happened __ I met you last.

Options

A. 1) before
B. 2) when
C. 3) from
D. 4) since

Answer

D

Explanation

since (Conj) : continuously from or starting from the time when
Here, since is the right usage.