What are the common uses of Chinese seals？

A.Conducting business.

B.Signing contracts and other legal documents.

C.Adding a further artistic dimension to the painting or calligraphic scroll.

D.Signing personal letters.

E.Signing official documents.

正确答案：Conducting business.Signing contracts and other legal documents.Adding a further artistic dimension to the painting or calligraphic scroll.Signing personal letters.Signing official documents.