单项选择题采用收付实现制，由于没有将各个会计期间所实现的收入和为实现收入所应负担的费用进行配比，因而也就不能正确计算各期的成本费用。（）
单项选择题They said I have given ______ the whistle was worth.A. twice as many asB. as twice many asC. as twice much asD. twice as much as
