Answer: B) Skipping, dancing, and laughing are the little girls' favorite things.
Explanation: parallelism is a literary device that consists in the repetition of the grammatical structure of different words or phrases in a sentence or paragraph, in order to emphasize an idea or to create an impact in the audience. From the given options, the one that shows correct parallel structure is the corresponding to option B, because the verbs are all in the same form (skipping, dancing, and laughing).
