Sentence Correction (SC) | The sense of elitism in the art world is deepened by the fact that

The sense of elitism in the art world is deepened by the fact that the determination of the authenticity of long-lost works of reputed renaissance-era painters such as Da Vinci is usually not possible by just scientific analysis and forensics butneed the expert “eye” of the connoisseurs.

A) painters suchas Da Vinciis usually not possible by just scientific analysis and forensics butneed
[color=#ff0000] SV agreement error..--> 'the determination of the authenticty' doesn't agree with plural verb"need"
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