Pat and Chris Are Vying for Jordan's Heart,and Both Value

Pat and Chris are vying for Jordan's heart,and both value winning Jordan's affection at $500.Jordan will choose between them based solely on which one spends the most money on gifts,movies,dinner and other enticements.Pat and Chris are fully aware of each other and of each other's spending.Spending must be in increments of $1 or more.
Before the competition begins,Pat decides to spend up to $250 on Jordan.If Chris knows that this is Pat's plan,Chris should

A) match Pat's $250.
B) commit to spending a maximum of $251.
C) anticipate that Pat will not stick with the original plan to spend $250.
D) enter into an informal agreement with Pat by which both agree to spend only $100.