×
单选题
需要折叠的页数，要以能看到页码的方式折叠。
A
The page number should be usually seen even in the folded pages.
B
On pages requiring folding, the fold shall be made in a manner that permits the page number to be visible.
C
On all pages, regardless of folding pages, the page number must be made visable.
答案解析
正确答案：B
