Which of the Following Sentences Uses the Passive Voice to Present

Multiple Choice

Which of the following sentences uses the passive voice to present the bad news?

A) We are unable to interview you for the social media specialist position at this time.
B) Although we were impressed with your application,we have no positions available at this time.
C) Although the social media specialist position has been filled,we wish you well in your job search.
D) We are not hiring at this time,even though we are impressed with your credentials.