Parallel structures are joined using coordinating conjunctions like, 'and', 'or' etc. Similar forms of verbs should be used in parallel structure. Here, option A does not include similar verb forms.
What is parallel structure?
Parallel structure means to use same kind of words in a sentence to frame that all the parts of a sentence has equal importance. The words, clauses, or phrases should be in similar verb form.
The sentence, 'The community is supportive, kind, and tries to help people is not the similar verb form. The third part of the sentence is in different verb form.
Therefore, option, A, 'The community is supportive, kind, and tries to help people is correct.
Learn more about, parallel structure, here,
https://brainly.com/question/25936731
