单选题
如果使用折合页,当折叠时,页码必须是可见的。
A
A.If you use folding page, the page number must be invisible when folding.
B
B.The page number must be viewing if you fold the page.
C
C.If folded pages are used, the page number must be visible when folded.
答案解析
正确答案:C
相关知识点:
折合页折叠页码要可见,选visible
