Can you identify the logical fallacy in this claim? “Even though it’s only the first day, I can tell this is going to be a boring course”.

Can you identify the logical fallacy in this claim? “Even though it’s only the first day, I can tell this is going to be a boring course”.
Ahasty generalization
Bpost hoc
Cguilt by association
Doversimplification
正确答案：A