"Oh brother" is right! You've changed the question and the answer is obvious.
You have every right to put your thoughts down on paper but if you read this from somebody else you might think you shouldn't be in such a precarious stock.
Coming from you I only expect this type of question and shake my head in bewilderment.
I think your perception of the timing of events here is way off. The company will likely have long since partnered on B before they are sufficiently advanced in a Phase 2 to say K doesn't work. "Oh brother" is right...