The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
The soldiers / were selected / on the section / of ‘gallantry of spirits’.

Correct option is D

Explanation:
· The phrase "on the section" is incorrect.
· The correct preposition should be "for" when specifying the reason or basis for selection.
· Also, "section" should be replaced by "basis" or "criterion" to suit the formal tone.
Correct Sentence: The soldiers were selected for the basis of ‘gallantry of spirit’.
Grammar Rule:
· Use "selected for" when indicating the reason behind selection.
· Example: He was selected for his bravery.