John was the only one of the boys who, as you know, were not eligible?

1. A Option A: John was the only one of the boys who, as you know, were not eligible.
2. B Option B: John was the only one of the boys whom as you know were not eligible.
3. C Option C: John was the only one of the boys who, as you know, were not eligible.
4. D Option D: John was the only one of the boys who as you know is not eligible.

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