It remains unknown whether the rate of cell turnover in diseased hearts____________.

It remains unknown whether the rate of cell turnover in diseased hearts____________. 查看材料

A.changes over time

B.can be monitored

C.is the same as that in healthy hearts

D.is high enough to replace cells faster than they"re dying off

请帮忙给出正确答案和分析，谢谢！