The following sentence has been split into four segments. Identify the segment that contains an error.
A) The supervisor advised / B) him to focus on the / C) examination first and / D) submit the assignment latter.

Correct option is D

Segment (D) contains the error.
Explanation:
The word "latter" is incorrectly used. It means the second of two mentioned items. The correct word here is "later", which means after some time and is related to time, not order.
Correct sentence:
The supervisor advised him to focus on the examination first and submit the assignment later .
Grammatical Rule Used:
Confused Words Usage – “Later” (time) vs. “Latter” (position/order)
✦ Explanation in Hindi:
“Latter” का अर्थ होता है 'दो में से दूसरा', जबकि “Later” समय के लिए प्रयोग होता है, जैसे – बाद में। यहां समय की बात हो रही है इसलिए “later” सही होगा।