A Number of People in Toshi's Family Struggle with Anxiety

Multiple Choice

A number of people in Toshi's family struggle with anxiety attacks.He has been fortunate in that he has never had a problem with anxiety.However,when his parents suddenly announce that they are going to be divorced,Toshi is shocked and upset.A week later,sitting in class,he has his first anxiety attack.If we use the three levels of analysis,we can say that Toshi's anxiety is

A) primarily a biological problem.
B) primarily a psychological problem.
C) primarily an environmental problem.
D) due to an interaction among all three levels.