Alex has been diagnosed with generalized anxiety disorder. Which of the following, if true, is most likely to have played a role in the development of his disorder? Alex has very sensitive and liberal

Alex has been diagnosed with generalized anxiety disorder. Which of the following, if true, is most likely to have played a role in the development of his disorder?

Alex has very sensitive and liberal parents.

Alex is unambitious and has low self-standards.

Alex suffered a head injury as a child.

Alex has respiratory system abnormalities.