{{i}}quEstions 17--20 ArE BAsED on thE Following pAssAgE. you now hAvE 20 sEConDs to rEAD quEstions 17--20.{{/i}} in whiCh point somE shArks ArE similAr with humAns
A、BonE struCturE.
B、smEll ABility.
C．Birth moDE.
D．rECovEry ABility AgAinst DisEAsE.