Answer: Cognitive behavioral therapy
Step-by-step explanation:
Cognitive behavioral therapy is a kind of talk therapy which is not only useful to treat mental problems, disorders and depression but it is also useful to reduce stress, overcome emotional unbalance. This is also helpful to overcome the social anxiety disorders.
This is associated with fewer side effects and the treatment is effective for long term or lifelong. This helps to cope with stress, grief and resolving the relationship conflicts.
According to the given situation, CBT is the correct treatment plan that can be used to treat the social anxiety disorder.