I do not see anything being mentioned about daffodils which means you only gave us part of the excerpt, but the most logical answer in my opinion is C,
A looks like its a waste of time and not something worthy of receiving a poem.
B does not grasp the idea entirely
D Is the trap answer in my opinion. It will make you think that it is the correct answer
Answer: the answer is d) sad.
Explanation: it is a feeling on pensive sadness.
Answer:
A your work and the work of others
