Question

There was no clue as to what happened,........................ the old woman started narrating the incidents.

• A. until
• B. up to
• C. till then
• D. on when

Answer 1

Answer:

A. until

The word until is the best choice here because it correctly links two events in time: the lack of a clue and the beginning of the old woman's narration. "Until" means "up to the time that" or "before a specific point in time or event." In this sentence, the old woman's narration provided the key information that was missing.

Let's look at why the other options don't fit:

• Up to: This phrase means "until" but is usually followed by a noun or pronoun (e.g., "up to now," "up to that point"). Using it as a conjunction to connect two clauses is grammatically awkward and incorrect.

• Till then: This phrase is an adverbial expression meaning "until that time." It is not a conjunction and cannot be used to connect the two clauses in this way.

• On when: This is grammatically incorrect and doesn't make sense in this context.