Which statement about H-REAP and FlexConnect APs on a Cisco WLC is false?

Which statement about H-REAP and FlexConnect APs on a Cisco WLC is false?

A.
Cisco CKM roaming is supported within an H-REAP group of APs.

B.
Cisco CKM roaming is unsupported between local mode APs and H-REAP APs.

C.
HREAP AP in standalone mode can authenticate new clients for CCKM roaming.

D.
H-REAP APs can have some locally switched WLANs and some centrally switched WLANs.