Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning.Câu hỏiVolunteering has a considerable impact on the education system itself. A. The education itself has been considerably impacted by volunteering activities. B. The impact of volunteering on the education system itself is worth considering. C. There is a considerable impact of volunteering on its education system itself. D. It is the volunteering activities that have considerable impact on education.