which device is used to represent the CD writer?

A system has one hard disk, configured as master and connected to the primary IDE controller, and one CD writer, configured as slave and connected to the secondary IDE controller.
If the system is correctly configured, which device is used to represent the CD writer?

A.
/dev/hdb

B.
/dev/hdd

C.
/dev/scd0

D.
/dev/sr1

E.
/dev/scd1

Explanation:
hd0 /dev/hda Primary Master
hd1 /dev/hdb Primary Slave
hd2 /dev/hdc Secondary Master
hd3 /dev/hdd Secondary Slave

According to question CD-ROM is connected as Secondary Slave so device named should be /dev/hdd