Select the most appropriate option to fill in the blank.
Why did you not inform me about ______ demise of your mother?

Correct option is A

The correct option to fill in the blank is (A) the.

Explanation: The noun 'demise' is followed by the prepositional phrase 'of your mother', which makes the 'demise' specific. When a noun is made specific by a following qualifying phrase or clause, we use the definite article 'the'.

Example: The death of the king shocked everyone.

Information Booster: Rule: The + Noun + Of + Noun. This structure usually requires a definite article because it identifies a specific instance.

So the correct answer is (a)