Which DSCP values are expected for interactive voice and video?

An engineer is setting up a system with voice and video endpoints using auto-QoS policy on the
switches. Which DSCP values are expected for interactive voice and video?

A.
F and AF-41

B.
EF and CS6

C.
EF and CS3

D.
EF and AF21

Explanation:
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND/QoSSRND-Book/QoSIntro.html