quEstions 17～20 ArE BAsED on thE Following ConvErsAtion ABout A nEw snACk FooD、you now hAvE 20 sEConDs to rEAD quEstions 17～20. whiCh oF thE Following is not mEntionED in thE ConvErsAtion to FlAvor thE nEw proDuCt with
A、tomAto.
B．ChEEsE.
C、ChoColAtE.
D．Fish.