8012The people who‘re in their mid-70s， only 0.45 percent ofcardiomyocytes____________. 1550

The people who‘re in their mid-70s， only 0.45 percent ofcardiomyocytes____________. 查看材料 A.are still functional B.are replaced each year C.are lost each year D.are damaged each year 请帮忙给出正确答案和分析，谢谢！