题目内容：

result from lead to cause bring out的区别
a cigarette end might _______a big forest fire.
A leads to B result from C cause D brought out

优质解答

C
A 前面是情态动词might,应用lead to
B源于.逻辑不对
C 引起,正确
D 前面是情态动词might,应用bring out