Shaina gets caught in a lie and doesn't know what to say next. she pauses due to her anxiety and her uncertainty about what to say next. shaina is demonstrating a (n)

The answer is she is demonstrating in hesitation in silence. She is in hesitation because she was caught off guard when they know that she is lying. Sometimes being silence makes a signal to the person you are communicating, then anxiety leads to hold and disturbance of what to do next.