Read the lines from "I Wandered Lonely as a Cloud."
The waves beside them danced; but they
Out-did the sparkling waves in glee:
A poet could not but be gay,
In such a jocund company:
I gazed—and gazed—but little thought
What wealth the show to me had brought:
For oft, when on my couch I lie
In vacant or in pensive mood,
They flash upon that inward eye
Which is the bliss of solitude;
And then my heart with pleasure fills,
And dances with the daffodils.
What is a theme of these lines?
A. Thinking of flowers can change your life.
B. You can see much beauty when you are alone watching flowers.
C. In times of sadness, a happy memory can lift one's spirits.
D. Your memories of watching flowers can make you happy.