C341 Replace

The two of them stood dumbstruck for a long time. Only after a long while did Li Yong finally swallow his saliva. With a dry and hoarse voice, he asked, "Why did your name appear on that tombstone?"

So Bing Bing's mother was called Ru Yue, but why did her name appear on the tombstone? I also couldn't figure it out no matter how hard I thought