A) painters such as Da Vinci is usually not possible by just scientific analysis and forensics but need
"determination of authenticity"... "is"... "but need" need should be needs because subject is singular
B) painters like Da Vinci is usually not possible by just scientific analysis and forensics but needs
like is used for comparison ,whereas the goal here is to give an an example painter
C) painters such as Da Vinci is usually not possible by just scientific analysis and forensics but needs
CorrectD) painters like Da Vinci are usually not possible by just scientific analysis and forensics but needs
like is used for comparison ,whereas the goal here is to give an an example painter. Also "are" is wrong subject is singular "determination of authenticity"
E) painters such as Da Vinci are usually not possible by just scientific analysis and forensics but need
"determination of authenticity"... "is"... "but need" need should be needs because subject is singular. Also "are" is wrong subject is singular "determination of authenticity"