Which of the following best describes the function of “time” in the poem?

I took the test and the answer is

The speaker declares that his beloved’s loveliness will live on forever through his poetry, unlike the short-lived summer season.

another question

what does the pronoun this most  closely refer to in the passage?

So long as men can breathe or eyes can see,  

So long lives this, and this gives life to thee.

the answer the poem itself

another question

What are most closely the central themes of Sonnet 18?

love and immortality

the three answers (for plato at least) are:

b-condemned sola fida 

d-set rules for establishing seminaries and for educating clerics in the seminaries 

f-recommended moderation in the sale of indulgences and banned the sale of false indulgences 

the correct answer is:

b) a rich merchant.