单选题What does “brain drain” refer to?A An activity that uses the brain to create a lot of wealth.B Applying for positions in foreign countries.C The movement of professional people to a rich nation.D The training of skilled individuals in developed countri
题目
单选题
What does “brain drain” refer to?
A
An activity that uses the brain to create a lot of wealth.
B
Applying for positions in foreign countries.
C
The movement of professional people to a rich nation.
D
The training of skilled individuals in developed countries.