An Oracle ASM disk group consists of two 50 GB LUNs and is currently in use. The Oracle database requires more storage space and has two 100 GB LUNs available.
What is the recommended way to organize ASM disk groups to make use of additional space?

A.
Create a new disk group containing two 100 GB LUNs

B.
Extend the current disk group to include the two 100 GB LUNs

C.
Create two new disk groups containing one 100 GB LUN each

D.
Double the disk group size by extending with one 100 GB LUN