Identify the segment in the sentence which contains the grammatical error.
He wished he listened to his mother's advice.

Correct option is B

Option (b) contains an error. The sentence "He wished he listened to his mother's advice" uses the simple past tense "listened," which does not correctly convey the regret about a past event.
· The correct form would be "had listened," which is the past perfect tense, used to describe actions that were completed before another action in the past.
· Grammatical rule used: In reported speech and conditional structures expressing regrets, wishes, or hypothetical scenarios about past events, the past perfect tense is appropriate to indicate that the action was completed before another past event.
· Example: He wished he had listened to his mother’s advice, as it would have saved him from making a big mistake.