How does an ERP access point notify a client station operating in Power Save mode of multiple multicast frames queued at the access point?

A.
The access point’s sets its DTIM field to indicate that it has queued multicast traffic.

B.
The access point sends the client station a CF-Poll frame with the AID subfield set to the station’s MAC address.

C.
The access point responds to the client station’s PS-Poll frame with the AID subfield set to a value equal to the number of queued multicast frames.

D.
The access point sets the More Data subfield in the Frame Control field of each multicast Data frame to 1 until the last multicast frame is delivered.

E.
The access point sets the Duration field of each Beacon to a value equal to the amount of time it will take to send all of the queued multicast frames to the client station.