Italian dressing is a heterogeneous mixture because the mixture contain substances of different phase. There are both liquid and solid in the dressing, therefore it is heterogeneous. If it is homogeneous, the dressing will be all liquid (or all solid but I don't think it will taste good anymore). Idk if this is the answer you want.
The answer is C, Life is short; laugh and be merry. Have a nice day. :)
