GMAT Sentence Correction Question 11

This GMAT sample question is a verbal sentence correction question testing your understanding of noun-verb agreement and word usage.

Question 11 : 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 but need the expert ‘eye’ of the connoisseurs.

1. painters such as Da Vinci is usually not possible by just scientific analysis and forensics but need
2. painters like Da Vinci is usually not possible by just scientific analysis and forensics but also needs
3. painters such as Da Vinci is usually not possible by just scientific analysis and forensics but also needs
4. painters like Da Vinci are usually not possible by just scientific analysis and forensics but also needs
5. painters such as Da Vinci are usually not possible by just scientific analysis and forensics but need

Correct Answer Choice C