{{i}}quEstions 5 to 7 ArE BAsED on thE Following ConvErsAtion.At thE EnD oF thE ConvErsAtion, you will BE givEn 15 sEConDs to AnswEr thE quEstions. now, listEn to thE ConvErsAtion.{{/i}}

whAt tAstE oF pEtAls is DEsCriBED By thE spEAkErA．sour.
B．swEEt.
C．sAlty.
D．oDorous.