Which of the Following Is a Reason Why Symbolic Interaction

Which of the following is a reason why symbolic interaction blurred with other theories in recent years? Select all, but only those that apply.

A) The theory is now fragmented, or no longer isolated to a group of scholars at The Chicago School.
B) The theory expanded its concerns well beyond micro-level interactions.
C) The theory incorporated ideas from many other fields and traditions.
D) The theory has been adopted by scholars who work in other traditions.