Faye files a suit in a state court against Gas Station Stop, claiming employment discrimination. Gas Station loses the suit and appeals. After the state's highest court's review of Faye v. Gas Station Stop, either party can appeal the decision to the United States Supreme Court if:___________.​
a. ​a federal question is involved.
b. ​a question of state law remains unresolved.
c. ​the state trial and appellate court rulings are different.
d. ​the party is unsatisfied with the result