Another war___________ between the two countries and people of them suffered a lot.

A．broke through

B．broke off

C．broke out

D．broke down

利息备付率是指项目在借款偿还期内各年可用于支付利息的 ______ 与当期应付利息费用的比值。

A．税息前利润

B．税息后利润

C．计入总成本费用的利息费用

D．本金和利息