Don’t leave your books near the open fire. They might easily____

Don’t leave your books near the open fire. They might easily____.
A、catch fire
B、catch to fire
C、catch with fire
D、catch up fire
【正确答案】：A
【题目解析】：catch fire着火，catch up with赶上。其他搭配不成立。选项A是正确的。