Fateful circumstances and tragic coincidences abound in the book of Jude the Obscure.

What does "potential" mean in the sentence "Old pieces with great potential abound... " (Para 1)（） A: The new uses to which old pieces will be put. B: The old pieces which need finding out very carefully. C: The gurus that are more likely to find out old pieces. D: The interesting objects that are stowed away.