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．BritAin is onE oF thE FEw CountriEs whiCh hAs stArtED mAss vACCinAtion progrAm.
B．prEgnAnt womEn will BE Among thE pEoplE who will BE immunizED First.
C．ovEr 13 million pEoplE hAvE BEEn immunizED.
D．tEEnAgErs ArE in priority groups to BE immunizE