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[单选题]What can you see in the letterhead? P4F答案窝(daanwo.com)-大学生作业答案及考资分享平台
Acompany logo, company signature, addressP4F答案窝(daanwo.com)-大学生作业答案及考资分享平台
Bcompany name, company logo, address, contact detailsP4F答案窝(daanwo.com)-大学生作业答案及考资分享平台
Ccompany Name, company logo, manager’s nameP4F答案窝(daanwo.com)-大学生作业答案及考资分享平台
Dcompany logo, trademark, contact details

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