What is true about a DSCP marked packet when it reaches an IP precedence based device?

A.
The eight DSCP bits are all set to zero.

B.
The last three bits of the DSCP are set to 101.

C.
The 8 DSCP AF classes will be mapped into the 8 levels of IP precedence.

D.
Bits 7-5 of DSCP have the same position and meaning as IP precedence.

Explanation:
Reference: Cisco Press – DQOS Exam Certification Guide p.120