Which of the following networking standards can operate at two different channel widths on the same spectrum simultaneously?

Which of the following networking standards can operate at two different channel widths on
the same spectrum simultaneously?

A.
802.11a

B.
802.11b

C.
802.11g

D.
802.11n

Explanation:

http://compnetworking.about.com/od/wireless80211/g/bldef_80211n.htm