Select the most appropriate option that can replace the highlighted word in the following sentence.
The incorrigible optimism displayed by Aishwarya in difficult situations turned out her to be a favourite among her friends.

Correct option is C

The correct substitution of the highlighted word is (c) unchanged.
Explanation: The word incorrigible is correctly used in the context. It means someone who is not easily changed or reformed, especially in character or habit. Here, Aishwarya’s optimism remains unchanged even in difficult situations, which makes her admirable.
Grammatical rule used: Adjective Placement & Contextual Usage
Example: Despite criticism, his incorrigible cheerfulness never faded.
�� Information Booster: “Incorrigible” can have both positive and negative connotations depending on the context (incorrigible liar vs incorrigible optimist).