问题：

[单选]

A cisco 4404 wlan controller is being connected to a cisco 6500 catalyst series switch.
How would you interconnect and configure lag for connectivity and ensure redundancy？（）

A . all four ports from the cisco wlc terminated to the same catalyst gigabit module and channel group.
B . ports 1 and 2 from cisco wlc to catalyst gigabit module slot 1 channel group 10 and cisco wlc ports 3 and 4 to catalyst gigabit module slot 2 channel group 10.
C . all four ports from the cisco wlc terminated to the same catalyst gigabit module using two channel groups.
D . ports 1 and 2 from cisco wlc to catalyst gigabit module slot 1 channel group 20 and cisco wlc ports 3 and 4 to catalyst gigabit module slot 2 channel group 40.