Which of the following factors should be considered when selecting the most appropriate LEED rating...

The LEED 40/60 rule is used when more than one rating system or adaptation could reasonably apply to a project. Project teams assign each portion of the building ' s gross floor area to the rating system or adaptation most appropriate for that building or space use/type, then evaluate the resulting percentages. If more than 60% of the gross floor area is appropriate to one rating system, that system should be used. If less than 40% applies, that rating system should not be used. Between 40% and 60%, the team evaluates which system is most appropriate. Site location and material availability can affect individual LEED credits but do not determine the 40/60 rating-system calculation. Therefore, among the available choices, building type/use is the relevant factor, making Option B correct.

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