The correct answer is the second one “an absence of love or passion.” In the poem, the general intention of the author is to describe his feelings about the love/passion that it is leaving his life. The sentence “dead leaves and snow”, is the way in which he introduces the absence feeling that he is going through. The birds, as well as the leaves of the tree, are metaphors of love, which are abandoning the tree (his life).
A. develop highly effective public speaking skills
In ethics, value pluralism (also known as ethical pluralism or moral pluralism) is the idea that there are several values which may be equally correct and fundamental, and yet in conflict with each other. ... Value-pluralism is a theory in metaethics, rather than a theory of normative ethics, or a set of values in itself.