Choose the preposition to fill the blank in the following sentence :

He jumped _________ the river to fetch her a coin.

Correct option is C

The correct preposition to fill the blank is (c) into.

The preposition "into" is used to indicate movement or motion from the outside to the inside of a space or place. In this sentence, "jumped into the river" correctly expresses the motion of entering the river.

Grammatical rule used: Use "into" when referring to motion toward the interior of something.
Explanation of the rule in Hindi: जब किसी वस्तु के अंदर की ओर गति को व्यक्त करना हो, तब "into" का प्रयोग किया जाता है।

Meanings of other options:
· to: (की ओर) Indicates direction toward a specific destination.
· from: (से) Indicates the point of origin or separation.
· in: (में) Refers to the state of being inside but does not indicate motion.