Jane and Tom are trying to decide where to have lunch. Tom suggests the Italian restaurant close to ...

Jane and Tom are trying to decide where to have lunch. Tom suggests the Italian restaurant
  close to campus. Jane purses her lips, crosses her arms, and looks down at the ground.
  Great, I'd love that she says.
 
  Tom knows Jane is not telling the truth because of which
  nonverbal communication rule?
  a. Nonverbal cues are cultural.
  b. Nonverbal communication can be deliberate or unintentional.
  c. Nonverbal messages are trusted more than verbal messages when the two conflict.
  d. Nonverbal messages can be ambiguous.
  e. None of these