quEstion 22 is BAsED on thE Following nEws. At thE EnD oF thE nEws itEm, you will BE givEn 5 sEConDs to AnswEr thE quEstion.
now, listEn to thE nEws.
A．high-tECh gEnEtiC moDiFiCAtion.
B．thAi rEsEArChErs.
C．thE hElp oF somE ExpErts From ChinA.
D．nAturAl mEAns.