Parts of the given sentence have been highlighted. Identify the part that has an error. Select 'No error' if there is no error.
Although the team had trained diligently for months, they had still overwhelmed by the opponent's unexpected tactics.

Correct option is B

Option (b) contains an error. Explanation: The phrase "had still overwhelmed" is incorrect because the verb "overwhelmed" should be in the passive form. The correct form is "had still been overwhelmed". Corrected sentence: Although the team had trained diligently for months, they had still been overwhelmed by the opponent's unexpected tactics.