When a fire _______ at an exhibition in New York, at least twent

When a fire _______ at an exhibition in New York, at least twenty priceless paintings were completely destroyed.
A、broke off
B、broke down
C、broke out
D、broke up
【正确答案】：C
【题目解析】：A项：中断； B项：抛锚，熄火；C项：爆发； D项：打碎，分手； 这句话的意思是：纽约的展会爆发火灾的那个时候，至少20件视为无价之宝的画作完全烧毁了，C项符合题意。