税务代保管资金账户中经确认属于税款的资金，填制税收通用缴款书的做法不正确的是（）

A.缴款单位（人）代码为纳税人识别号

B.缴款单位（人）全称栏按“开立账户的税务征收机关的全称（纳税人全称）”填写

C.账号为“税务代保管资金”账户账号

D.缴款书第二联（付款凭证）的缴款单位（人）盖章栏加盖“税务代保管资金专用章”

E.税务机关盖章栏应加盖税务机关公章

-- Do you know ________ her mobile phone? -- No, I think it cost her around 4000 yuan.

A．when your sister paid for

B．how much your sister will pay for

C．how much your sister paid for

D．when did your sister buy