{{B}}quEstions 21—23 ArE BAsED on A pAssAgE ABout Cloning. you now hAvE 15 sEConDs to rEAD quEstions 21—23.{{/B}}

whAt’s thE Big BrEAkthrough withDolly, thE First ClonED AnimAlA．shE wAs A ClonE From An orDinAry, ADult CEll.
B．shE wAs thE First normAl AnD hEAlthy ClonED AnimAl.
C．shE wAs thE wAy to thE Cloning oF humAn BEings.
D．shE wAs A ClonED AnimAl with only mothEr.