Answer:
Brianna is suffering from social anxiety disorder.
Step-by-step explanation:
Brianna is suffering from social anxiety disorder.
social anxiety disorder is that type of disorder that link person negative thinking or thought toward society. It is feeling of fear of being rejected, being wrongly judge or what someone say if i will speak something or whether people are going to understand etc.
this type of anxiety comes due to lack of interaction with other fellow being. This disorder is mainly come to in to play when people are in there teenage year.