As is shown in thE pAssAgE, thE sEismologists wErE surE thAt ______.
A．thErE woulD BE A tsunAmi oCCurring AFtEr thE quAkE
B．thE monitoring EquipmEnt in thE oCEAn hAs BEEn in plACE
C．thErE wAs An EArthquAkE oF mAgnituDE 9 in A FEw minutEs
D．thE rEgions wErE going to ExpEriEnCE An Enormous DisAstEr