Select the most appropriate word to fill in the blank. Everything happened so quickly ______ she felt dazed. (a) that (b) then (c) than (d) since

Options

A. that
B. then
C. than
D. since

Explanation

“So ______ that” is a fixed conjunction which is used to join two clauses, one of them expresses an action and the other expresses the purpose. Here, the purpose is that ‘everything happened quickly’ and the action is that ‘She felt dazed’.