Which option is the appropriate method for CBWFQ WRED implementation in Cisco IOS XR?

A.
configure
policy-map POLICY_1
class CLASS1
random-detect default
commit

B.
configure
policy-map POLICY_1
class CLASS1
wred default
commit

C.
configure
interface pos 0/0/0/0
random-detect default
commit

D.
configure
policy-map POLICY_1
class CLASS1
weighted random-detect default
commit