Correct option is A
The correct substitution of the highlighted words is (a)
as kind as.
Explanation: The sentence is trying to compare Mr. Sharma’s kindness with that of his father. The correct comparative structure is "as + adjective + as" when showing equality. So, "as kind as" is grammatically correct.
Correct sentence: Mr. Sharma is
as kind as his father.
Grammatical rule used:
• When expressing equal comparison between two people/things, use “as + adjective + as”.
Example: She is
as tall as her brother.
Information Booster:
Avoid using just “as adjective” in comparisons without completing the structure.
Incorrect: He is intelligent as her.
Correct: He is
as intelligent as her.