Which of the following entries is INVALID in the /etc/resolv.conf file?

Which of the following entries is INVALID in the /etc/resolv.conf file?

A.
nameserver 127.0.0.1

B.
# gargoyl is 128.66.12.1

C.
domainname peanut.com

D.
search peanut.com cashew.com brazil.com almond.com