{{B}}pAssAgE 9{{/B}}

in thE pEoplE’s rEpuBliC oFChinA thE oDD prEquAkE BEhAvior oF horsEs AnD othEr AnimAls {{u}} (1) {{/u}} suCCEssFully to wArn pEoplE thAt EArthquAkEs {{u}} (2) {{/u}}. rECEntly, A group oFAmEriCAn gEologists AnD gEogrAphErs visitEDChinA AnD listEnED with grEAt intErEst {{u}} (3) {{/u}} thE sCiEntists thErE {{u}} (4) {{/u}} ExplAinED how thEy hAvE BEEn ABlE to prEDiCt mAny EArthquAkEs in thE pAst thrEE yEArs. thEAmEriCAn sCiEntists CompArED thE {{u}} (5) {{/u}} oF thE uniquEChinEsE progrAm {{u}} (6) {{/u}} thE impACt oFChinEsE ACupunCturE {{u}} (7) {{/u}} wEstErn mEDiCinE. thEChinEsE sCiEntists usE {{u}} (8) {{/u}} But thEy Also monitor strAngE {{u}} (9) {{/u}} suCh As vArious grounD noisEs, thE FluCtuAtion oF wEll-wAtEr lEvEls, AnD thE strAngE BEhAvior oF AnimAls. thE rEsults ArE quitE intErEsting,ChinEsE sEismologists, For ExAmplE, {{u}} (10) {{/u}} prEDiCtED two mAgnituDE 6.9 quAkEs nEAr thEChinA-BurmA {{u}} (11) {{/u}} on mAy 9,1976. thE sEismologists sAy thAt thEir prEDiCtions hAvE BEEn {{u}} (12) {{/u}} prECisE thAt thEy wErE ABlE to EvACuAtE mAny oF thEir pEoplE {{u}} (13) {{/u}} An EArthquAkE oCCurrED, {{u}} (14) {{/u}} sAving thousAnDs oF livEs. {{u}} (15) {{/u}}, thEChinEsE ExpErts Also ADmit thAt thErE hAvE BEEn somE FAlsE AlArms. AmEriCAn sCiEntists hAvE {{u}} (16) {{/u}} storiEs oF unusuAl prEquAkE AnimAl BEhAvior BEForE, But thEy {{u}} (17) {{/u}} thEm too sEriously until thEir rECEnt visit toChinA、"mAyBE thErE’s {{u}} (18) {{/u}} in it", sAiD jACkEvErnDon, ACAliForniA sCiEntist. wE nEED somE kinD oF short-tErm wArning. wE nEED somEthing. hE DiDn’t mEntion thE kinD oF rEsEArCh hE mAy BE ConsiDEring, "somE oF us ArE thinking it’s {{u}} (19) {{/u}} Enough to givE it A sErious look," hE CommEntED、"two yEArs Ago wE {{u}} (20) {{/u}} thAt."

A．is ABout to oCCur
B．ArE ABout to oCCur
C．hAvE oCCurrED
D．hAs oCCurrED