I feel like it’s b because Alice gets carried away in her imagination just watch the movie
The correct use of comparative is found in the following sentence:
<span>D. George has a bigger appetite than Harry.
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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>