Select the most appropriate option to substitute the highlighted segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
You should exercise regularly in the morning even if you may remain fit.

Correct option is D

The correct substitution of the highlighted words is (d) so that.
Explanation:
The sentence is talking about purpose—why one should exercise. The phrase “even if” shows concession, which is incorrect here. The correct conjunction to show purpose or result is “so that”.
Corrected sentence: You should exercise regularly in the morning so that you may remain fit.
Grammatical Rule Used:
Conjunction of Purpose:
Use “so that” or “in order that” when showing why an action is done or its purpose.
Structure:
Subject + Verb + so that + Subject + may/might/can/could + Verb
Example:
· He studies hard so that he may pass the exam.
Information Booster:
· Even if is used for unexpected or hypothetical conditions (e.g., Even if it rains, we’ll go).
· So that is always followed by a modal verb like may/might/can/could.