听力原文:Their teacher says the two girls are studying neck and neck now though they come from distinct backgrounds.
(28)
A.The two girls are having too much to the neck.
B.The two girls are actually twins.
C.The two girls are ranking with each other in studies.
D.The two girls are promised to have a necklace for their studies.
请帮忙给出正确答案和分析,谢谢!