Đáp án D
D. a Halloween custom for children in many countries.
Câu trong bài: It primarily a fun for childrcn. Children dress up in costumes like people did a thousand years ago. But instead of worrying about evil spirits, they go from house to house. They knock on door and say "trick or treat".
Why the old Europeans wore costumes like ghosts and other evil creatures?
A. Because they wanted the spirits not to harm them.
B. Because they wanted to get candy.
C. They wore costumes to go to parties.
D. They wore costumes to go house from house.