题目内容：
Thetrickinfoodphotographyistoshowthefoodlookingfresh，somanydisheshavestand-ins，justasmoviestarsdo.“WhenIgetmylightsandcamerassetup，Iremovethestand-inandputintherealthing，”explainsRayWebber，whophotographsfoodformagazineadvertisements.“SometimesIhavetobrushthemeatwithitsjuicesbecauseitmayhavedriedoutabit.AandwhenI‘mshooting(拍照)somethingliketomatoes，IalwayscarrywatertospraythemwithdewjustbeforeIshoot.”Shootingfoodoutdoorshasspecialproblems.“I‘malwaysworryingaboutfliesorwormscrawlingupaglass，”Webberexplains，“myworryisthatsomedayadogwillcomeupfrombehindandrunoffwiththefood.”OnceWebberwasshootingapieceofcheeseoutdoorsandneededsomethingtomakeitscolorbeautiful.Finallyhefoundit：aweedwithlovelyblueflowers.Whentheshotappeared，severalpeoplewerehorrified-theweedwasdeadlynightshade!
Justbeforebeingphotographed，somemeatsandvegetablesare_______.
A.fanned
B.dyed
C.frozen
D.madewet
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