in A ConvErsAtion BEtwEEn FriEnDs, AmEriCAns rEgArD it As sinCErE AnD truthFul to ______.
A．mAintAin DirECt EyE ContACt
B．hiDE Emotions with A DEADpAn ExprEssion
C．DisplAy ExCitEmEnt or Disgust, shoCk or sADnEss
D．rAisE thEir EyEBrows, noD AnD smilE politEly