试题详情

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

AA. 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.

BB. 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.

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