单选题   The president explained that the purpose of taxation was to ______ government spending.
 
【正确答案】 A
【答案解析】finance意为“供给经费,负担经费”,与spending“开支”形成语义场共现,符合句意,故答案为A。expand意为“扩张,膨胀”,enlarge意为“放大,扩大”,二者均不能和spending搭配;budget意为“为……作预算,编入预算”,不合句意。