When Heather Arrived at the Party Her Friend's Apartment Was

When Heather arrived at the party her friend's apartment was packed with people, the music was blaring, and the conversation was lively. Heather was excited to enjoy the fun until she noticed a guy staring at her from across the room. Was he interested in her? Or was he a creep? Should she go talk to him or should she run away? Heather wasn't sure what to do because ______.

A) she needed addtional training to be able to read eye contact more effectively
B) she needed additional nonverbal and verbal cues to determine if he's communicating threat or affection
C) he was using eye contact to purposely send an ambiguous message about his intentions
D) he was using eye contact to purposely send a direct message about his intentions