Select the option that can be used as a one-word substitute for the highlighted group of words in the given sentence.
RK Laxman was well-known for his drawings of people in such a highly exaggerated manner as to cause laughter.

Correct option is C

The correct one-word for the given group of words is (c) caricatures.
Explanation:
A caricature is a drawing or description that exaggerates certain features for comic or satirical effect.
Example: The newspaper printed a caricature of the politician with an oversized nose.
Meanings of the given other options:
· (a) Articles: Written pieces (लेख).
· (b) Portraits: Realistic paintings or representations of a person (चित्र).
· (d) Sketches: Simple or rough drawings (रेखाचित्र).