A、tEst CAsE normAlly Consists oF A uniquE iDEntiFiEr, rEquirEmEnt rEFErEnCEs From A DEsign spECiFiCAtion, EvEnts, A sEriEs oF stEps to Follow, input, output, ACtuAl rEsult, AnD ______．
A、Bug B．ExpECtED rEsul
C．tEst rEport
D、trACEABility mAtrix