Read the passage:

In me thou seest to twilight of such day
As after sunset fadeth in the west,
Which by and by black night doth take away,
Death's second self, that seals up all in rest.

Which two things are being compared in the passage?

a. the renewal of spring and the coming loss of autumn

b. someone in the later stages of life and a tree that has lost its leaves

c. a useless old tree and a healthy tree that provides a home for forest animals

d. the beautiful music of a choir and the lovely song of the birds in the trees