Select the most appropriate option to fill in the blank.
She is very good _____ dancing.

Correct option is C

The correct option to fill in the blank is (c) at.
We use "good at" to express skill or proficiency in an activity or subject.
Example: She is good at painting and dancing.
Incorrect options:
· (a) of: Used to show belonging or origin, not suitable here. (का)
· (b) for: Indicates purpose or benefit, not used to describe skill. (के लिए)
· (d) on: Used for surface or topics, not skills. (पर)
�� Information Booster:
"Good at + noun/gerund" is the correct structure.
Example: He is good at mathematics.