angela explained."earth revoles around the sun." A.angelica explained the earth revolved around the sun B.angelica explained that the earth revolves around sun C.angelica explained that the earth revolved around the sun
Answer: B. Angelica explained that the Earth revolves around Sun.
Though I'm not too sure, since Angelica is talking about present-tense-verb, ref. revolves, not to a past-tense-verb, as to "Earth revoles around the sun."