Which of the Following Is True About the Integrated Model

Which of the following is true about the integrated model of panic disorder?

A) It states that structural damage to the brain is the reason for panic disorder.
B) It states that panic disorders seem to develop as a result of a biological vulnerability to a hypersensitive fight-or-flight response.
C) It suggests that people will not develop a panic disorder if they engage in catastrophizing thinking about their physiological symptoms.
D) It suggests that those suffering from panic disorder have no cognitive vulnerabilities.