Select the option that expresses the given sentence in passive voice.
Shiva wrote a letter to the head of the HR Department in response to the advertisement.

A

A letter was written by Shiva to the head of the HR department in response to the advertisement.

B

A letter had been written by Shiva to the head of the HR department in response to the advertisement.

C

A letter was written by the head of the HR department to Shiva in response to the advertisement.

D

A letter was wrote by Shiva to the head of the HR department in response to the advertisement.