I need help figuring out whether to choose “A” if the passage in italics matches the A, below. Or “B” if the passage matches standard form B. Answer “N” if the passage matches neither A nor B.
If there are many obstacles that we must overcome before we can use 3-D printing to print human organs for transplant, which is the last frontier, then the first frontier in 3-D printing is cheaply creating plastic gadgets. We have our work cut out for us.