ACCorDing to this pAssAgE, A soul CAtChEr will BE ______.
A．A nEw mAChinE on whiCh rADiCAl rEsEArCh mEAsurEs hAvE AlrEADy mADE
B．A nEw invEntion in orDEr to CApturE AnD prEsErvE humAn thoughts
C．mADE By British sCiEntists to oFFEr A sEmBlAnCE oF immortAlity
D．mADE oF siliCon CirCuits whiCh CAn inDEx pEoplE's nErvous ACtivity