题目选项分析

Scientists have recently discovered that the ultrathin, layered construction of a butterfly's wings, which is the same one that makes some butterflies shimmer via the phenomenon of iridescence, that also enables the insect to control how much heat energy is absorbed by its wings and how much is reflected away.

Scientists have recently discovered that the ultrathin, layered construction of a butterfly's wings-the same construction that makes some butterflies shimmer via the phenomenon of iridescence-also enables the insect to control how much heat energy is absorbed by its wings and how much is reflected away.