Win a copy of King Arthur II [Giveaway]

We’re giving away 10 boxed copies of strategy game King Arthur II.
The Paradox Interactive published game was review by us a couple of weeks ago, you can read why Peter Parrish thought the game was “more refined than the glorious, sprawling reach of the original” here.
All you need to do to enter is email us the answer to the following question. 
Fill in the blank: According to our review, King Arthur II’s battles owe more of a debt to *blank* than they do Total War?
A. Dark Omen
B. Civilization V
C. Crusader Kings II
Email us with the answer (A, B or C) in the message’s body. Please see notes below. 
Please note:

Only winners with UK postal addresses are eligible.
Competition closes on 24/02/2012 at 9pm.
Only winners will be contacted.
Winner will have five calendar days to claim their prize.