Which of the Following Is True of the Transition from One

Which of the following is true of the transition from one alter to another?

A) It is often called the "transfer".
B) It cannot be artificially precipitated,such as through hypnotic suggestion.
C) It is often precipitated by stress or other identifiable cue in the environment.
D) It happens gradually,with the dominant alter fading and the new one growing stronger.
E) It is always obvious when a transition between alters has occurred.