Answer:
The sentence that is written in active voice is D. "We will provide your password after you have completed the form."
<u>Active Voice Structure</u>
Active voice follows the structure of Subject + Verb + Object
The emphasis is on the person that carries out the action.
WE (<u>subject)</u>+WILL <u>(auxiliar)</u>+ PROVIDE <u>(verb)</u>+YOUR PASSWORD <u>(object)</u>
<u>Passive Voice Structure</u>
Passive voice follows the structure of OBJECT + BE + PAST PARTICIPLE/-ED
The emphasis is not on the person but on the object.
YOUR PASSWORD <u>(object)</u>+ WILL <u>(auxiliar) </u>+BE(<u>verb "BE") </u>+ GIVEN (past participle)