A、CErtiFiED nursing AssistAntCnA、is CAring For A CliEnt withClostriDium DiFFiCilE DiArrhEA AnD Asks thE ChArgE nursE, "how CAn i kEEp From CAtChing this From thE CliEnt " thE nursE rEminDs thECn A、to wAsh hEr hAnDs AnD to EnsurE thE CliEnt is plACED A、on protECtivE isolAtion. B、on nEutropEniC prECAutions. C、in A nEgAtivE-prEssurE room. D、on ContACt isolAtion.