Read this quote from the Strange Case of Dr. Jekyll and Mr. Hyde. "It can make no change. You do not understand my position," returned the doctor, with a certain incoherency of manner. "I am painfully situated, Utterson; my position is a very strange—a very strange one. It is one of those affairs that cannot be mended by talking." Based on this information what is the best definition of “incoherency”?
A. Something that is unimportant.
B. Something that is unclear.
C. Something that is rude or unfavorable.
D. Something that is suspicious.