A dump of the DNS cache reveals that a workstation name is cached as
www.gvon.com.gvon.com. The correct name in the cache should be www.gvon.com. The current origin is
gvon.com.

Which zone line would cause this incorrect cache entry?

A.
www.gvon in CNAME

B.
www.gvon.com in CNAME saturn.gvon.com.

C.
www.gvon.com. in CNAME saturn.gvon.com.

D.
www.gvon.com.gvon.com in CNAME saturn.gvon.com.

E.
www in CNAME saturn.gvon.com.