A would be the best answer
The correct answer is A. This is the case of using comma before a coordinating conjunction <em>and</em> because it links two independent clauses. We can observe that there two parts of this full sentence and each part is independent from each other. Both of them have their own subject and verb. Therefore, we are using a comma before <em>and</em>.
Answer: B) Don’t they see that students who are required to serve others as a volunteer will become more kind and considerate people in their real life?
Explanation:
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