Well, I don’t know the question but I believe that John is correct but they would have to have to be strong stilts
Fos·sil<span>ˈfäsəl/</span>nounthe remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
so B
<span>would be the DNA match. In RNA, the Ts are replaced by Us, so the RNA match .</span>