A. Puns. For example, calling a pun "punny" would be a pun, as it is a play on the words "pun" and "funny".
I think answer choice D makes the most sense.
Emperor Nero has favorable view of Rome.
"non-military air traffic was temporarily grounded" "the Department of Homeland Security was created" and "<span>United States began the War on Terrorism" are all correct. We were allies with Saudi Arabia. </span>