it CAn BE ConCluDED From thE First two pArAgrAphs thAt ______.
A．thE EArthquAkE BEnEAth thE inDiAn oCEAn CAusED two plAtEs CrACkED pAst EACh othEr
B．thE strEngth oF A tsunAmi DEpEnDs on thE DisplACEmEnt oF thE oCEAn Floor
C．thE shAllowEr wAtEr nEAr thE CoAst killED 150,000 pEoplE in twElvE CountriEs
D．thE surgEs ContinuE to movE on At A grEAt spEED EvEn AFtEr thE DisAstEr