The following sentence contains a vague pronoun reference. Choose the option that corrects the ambiguity: 'The manager told the employee that he needed to improve his performance.'
Correct: B
The original sentence is ambiguous because it's unclear whether 'he' refers to the manager or the employee. Option B clarifies that the manager is telling the employee to improve. Option C also clarifies, but it is less concise. Option A changes the meaning, and option D introduces new ambiguities.