Select the correct passive form of the given sentence.
The Central Board of Secondary Education has launched a new helpline for students.

A

A new helpline for students is launched by the Central Board of Secondary Education.

B

A new helpline for students will be launched by the Central Board of Secondary Education.

C

A new helpline for students had been launched by the Central Board of Secondary Education.

D

A new helpline for students has been launched by the Central Board of Secondary Education.