A. little/some
There is little butter left. We need to buy some.
The sentence that has faulty parallel structure is option A
The trip started in Colorado, went through New Mexico, and the the end being California.
Faulty parallelism is a construction in which two or more parts of a sentence are equivalent in meaning but not grammatically similar in form. It does not follow the same grammatical pattern according verb tenses. The correct version would be and ended in Carlifornia
Answer:
Students enjoy spending time on their computer, so why not make it educational?
Queen Elizabeth I succeeded at her sister Queen Mary I.
To snow.
Why? "It's beginning to snow." makes the most sense. "It's beginning snowing." doesn't make as much sense.