以下哪项如果属实，可作为补充数据以说明蜂鸟被红花吸引，鹰嘴鸟被绯绯草的白花吸引？

Which of the following, if true, would be additional evidence to suggest that hummingbirds are attracted to the red flowers and hawkmoths to the white flowers of the scarlet gilia?

youdao

如果属实的话，那是受欢迎的消息。

That's welcome news, if it indeed holds true.

youdao

如果属实，是出于什么原因？

If so, what is the reason behind it?

youdao