Answer:
C. A contract was formed because filling out an application can constitute legal consideration.
Explanation:
I personally Think this because if you think about it , he didn't pay , which doesn't matter because its "free" but maybe they just named it the million dollar wheel for a better name , or they were using it for customers , but if he had won and received yet nothing than he is able to file a contract because therefore they lied to him and therefore that's a illegal thing for a company who is allowing to spin a wheel for reward and if he won than he should get what he won , therefore the answer is = C