Which of the following is CORRECT about Thanksgiving Day？A．It has something to do with the

Which of the following is CORRECT about Thanksgiving Day？

A．It has something to do with the English custom.

B．Its traditional foods include roast potatoes and ducks.

C．It does not fall on a fixed date every year.

D．It makes people exhausted and costs a lot.

请帮忙给出正确答案和分析，谢谢！