问题详情

Based on Student 1’s discussion and Fact 4, while matter flowed between Algol A and Algol B, Algol B produced the majority of its energy by fusing:
A.hydrogen nuclei to make helium nuclei at its center.
B.hydrogen nuclei to make helium nuclei in a shell surrounding its center.
C.helium nuclei to make hydrogen nuclei at its center.
D.helium nuclei to make hydrogen nuclei in a shell surrounding its center.请帮忙给出正确答案和分析，谢谢！