DP-Vol LUNs Are Taken from an HDP Pool Deployed with 128

DP-Vol LUNs are taken from an HDP pool deployed with 128 disks (16x4D+4D RAID groups) . Access is random read. Which combination of FC paths, LUN Queue Depth, and number of DP-Vols will result in a per-disk queue of 4 within this pool?

A) 2 paths, a LUN Queue Depth of 16, and 32 DP-Vols
B) 2 paths, a LUN Queue Depth of 8, and 32 DP-Vols
C) 4 paths, a LUN Queue Depth of 8, and 32 DP-Vols
D) 4 paths, a LUN Queue Depth of 16, and 32 DP-Vols