Which of the Following Statements About the Types of Trauma

Which of the following statements about the types of trauma that are associated with the development of posttraumatic stress disorder (PTSD) is true?

A) Natural disasters are the most likely cause of PTSD,but PTSD also occurs as a result of combat,automobile accidents,and physical assaults.
B) Combat is virtually guaranteed to result in PTSD,which is why the disorder used to be known as "shell-shock."
C) Combat is the most likely cause of PTSD,but PTSD also occurs as a result of natural disasters,automobile accidents,and physical assaults.
D) Combat rarely results in PTSD,but automobile accidents produce PTSD in a majority of survivors.