What device path do you have to specify in ASM, if you want to use the multipath device?

What device path do you have to specify in ASM, if you want to use the multipath device?
/dev/sdc/ = first path
/dev/sdd = second path
/dev/multipatha = path of the multipath OS driver

A.
Only /dev/sdc is enough, because asmlib knows it is a multipath device.

B.
/dev/sdc as disk group and /dev/sdd as failure group.

C.
You need to specify all the three devices and only then ASM will know this is a multipath device.

D.
Only /dev/multipatha is enough.

Explanation:
http://www.oracle.com/technetwork/topics/linux/asmlib/multipath-097959.html