sCiEntists hAvE ACknowlEDgED thAt to intErprEt An AnimAl's thought proCEssEs in A sounD mAnnEr rEquirEs A hEAvy DosE oF-------From our own mEntAl pAttErns, whiCh wE ACCEss------.
A．EstimAtion...viCAriously
B．CAlCulAtion...EgotistiCAlly
C．guEsswork...mEthoDiCAlly
D．inFErEnCE...introspECtivEly
E．(E) skEptiCism...AnAlogously