Select the option that will improve the highlighted part of the given sentence.
I was looking for a barren seat in the bus but could not find one.

Correct option is C

The correct substitution of the highlighted word is (c) "vacant seat."
Error identification: The phrase "barren seat" is incorrect and does not convey the intended meaning. The correct phrase should be "vacant seat."
Grammatical Rule used: The word "vacant" is the appropriate adjective to describe an unoccupied seat.
Corrected sentence: "I was looking for a vacant seat in the bus but could not find one."