─Where can I find Jack?

─He _____ the post office. [ ]

A. has been to

B. had been to

C. has gone to

D. had gone to

厦门世新海正家具有限公司(350294××××)委托厦门世伟进出口有限公司(350211××××)进口松木板材(法定计量单位：千克)用于生产内销家具。

报关单中有20个已填（包括空填）栏目（标号A～T），请根据提供的单据分别指出其中填制错误。