Correct Option: B

hopeless (Adjective) : extremely bad ; terrible ; with no ability or skill
sanguine (Adjective) : cheerful and confident about the future
diffident (Adjective) : not having much confidence in yourself ; shy
cynical (Adjective) : believing that people only do things to help themselves rather than for good or sincere reasons
morose (Adjective) : unhappy, bad–tempered and not talking very much ; gloomy