最近在做新东方的语法全解,有一道题: Japan received huge sums of capital from the United States after the Second World War, using it to help build a modern industrial system. 题目解释中有一句话是说:-ing 分词短语中的it语法上应该指代主句中的单数名词the United States,但逻辑上应该指代复数名词短语huge sums of capital 。搞不懂为什么在语法上是指代the United States。求指点,谢啦~~~