【单选题】
in this sECtion, you will hEAr FivE short nEws itEms.AFtEr EACh itEm, whiCh will BE rEAD only onCE, thErE will BE A pAusE.During thE pAusE, rEAD thE quEstion AnD thE thrEE ChoiCEs mArkEDA,B、AnDC, AnD DECiDE whiCh is thE BEst AnswEr. thEn mArk thE CorrEsponDing lEttEr on thE AnswEr shEEt with A singlE linE through thE CEntrE.
hAs thEEArth got stEADily ColDEr ovEr thE lAst tEn thousAnD yEArsA.
B.
C.