The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
"So Mahesh is much sensitive, / we are very careful / when communicating with him / about his failures."

Correct option is B

Explanation of the Correct Answer: · The error is in "So Mahesh is much sensitive,"
· "Much" is incorrect when modifying an adjective like "sensitive."
· Correct Usage: "Mahesh is very sensitive."
Why Are the Other Options Incorrect? · (a) "about his failures" → No error.
· (c) "we are very careful" → No error.
· (d) "when communicating with him" → No error.
Thus, the correct sentence is:
"Mahesh is very sensitive, so we are very careful when communicating with him about his failures."