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The X - ray image of Berth's left hand, complete with visible bones and wedding ring, was probably not the first X-ray image, but is first to be made deliberately.
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- but is first to be made deliberately .
- but it may well be the first to be made deliberately .
- on the contrary, it was the first to be made deliberately.
- but it could be the first to be made deliberately.
Correct Option: B
'The first' makes it a noun, while in the question the 'first' is erroneously used as an adverb.