1X, MAC-RADIUS, and Captive Portal are enabled on an interface, which authentication sequence occurs?

When 802.1X, MAC-RADIUS, and Captive Portal are enabled on an interface, which authentication sequence occurs?

A.
The authentication sequence is based on the order of the configuration.

B.
If MAC-RADIUS is rejected, Captive Portal will start. If Captive portal is timed out, 802.1X will start.

C.
If 802.1X times out, then MAC-RADIUS will start. If MAC-RADIUS is timed out by the RADIUS server, then Captive Portal will start.

D.
If 802.1X times out, then MAC-RADIUS will start. If MAC-RADIUS is rejected by the RADIUS server, then Captive Portal will start.