Select the option that expresses the given sentence in active voice.
The task has been completed.

Correct option is A

The correct active voice of the given sentence is (a).
Explain the rules of conversion from passive to active with structure:
Structure:
· Passive: has/have + been + past participle (3rd form)
· Active: has/have + past participle
Passive Voice: The task has been completed.
Active Voice: Someone has completed the task.
Info-booster: In passive voice, the object of active voice becomes the subject, and auxiliary + “been” + V3 is used.
✔ Example: The work has been done → Someone has done the work.