Answer:
What is the theme the author tries to convey through the speaker? Why
It depends on the title of the book
The correct use of comparative is found in the following sentence:
<span>D. George has a bigger appetite than Harry.
</span>
Below, I will correct the other sentences:
A. This is the worst picture I've ever seen.
B. Alicia is a better swimmer than Marilynn.
<span>C. Of the three girls, Janet is the best speaker.</span>
Its the first option. sorry i couldn't write it, it took me to the next question