Which theme is reflected in the lines, "life's field will yield as we make it / a harvest of thorns or of flowers" from the poem "perseverance"?

a only talent or experience guarantee success.

b sometimes, no matter what one does, things don't always work out.

c it is important to prepare for the future.

d whatever one puts their time and energy into will come back to them.

D

Explanation:

Theme is an idea that recurs in a piece of art or literature.

Here, the writer uses simile; life is likened to a field. Whatever we make in a field, thorn or flower, the field gives back the same product.  

Therefore, whatever we put our energy and time will come back to us.  

The answer is D. Whatever one puts their time and energy into will come back to them.

Explanation:

Just took the test, I got it wrong and wanna make sure you don't!

intonation based on rhythm.

the answer is culture