1165. In the case of a revision to an illustration, a black vertical line or a black hand may be utilize to call attention to the changed portion

A In the case that a revision to an illustration happens, a black vertical line or a black hand need not be used to focus on the changed part.

If an illustration is to be revised, you may use a black vertical line or a black hand to draw attention to the modified part.

A black vertical line or a black hand ought not to be utilized to revise the illustration and draw attention to the changed part.

正确答案：B

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