Questions 164~167 refer to the following summary. 
Based on a survey conducted by the Pew Research Center in 2018, it was found that amajority of American teenagers, specifically 59%, have encountered some form ofcyberbullying, including instances of hurtful comments or messages, unauthorizedposting of embarrassing photographs, and rumors or gossip circulated on onlineplatforms. Although social media networks such as Facebook, Instagram, andSnapchat provide opportunities for teens to connect and engage in positive activities,they can also serve as a breeding ground for harassment and negative interactions.The negative effects of cyberbullying on young people are severe, ranging fromdepression and anxiety to social isolation. Therefore, it is essential for schools,parents, and online platforms to work collaboratively to address and preventcyberbullying in order to ensure the wellbeing of young people.
【題組】164.Which of the following is NOT mentioned as an example of cyberbullying in thesummary?
(A) Receiving hurtful comments or messages.
(B) Unauthorized posting of embarrassing photographs.
(C) Rumors or gossip circulated on online platforms.
(D) Physical bullying in school.