Literally, "academic mobility" means_________.

A．academic mobility may enhance scientific research
B．academic mobility may promote interpersonal relations
C．scientific researchers may be subject to misunderstanding
D．scientific researchers work in collaboration worldwide

A．they involve the joint efforts of scholars from different disciplines
B．they depend on the knowledge of different disciplines
C．they promote academic contact among people from different disciplines
D．they represent a newly emerging movement as against specializations