As far as the exchange program is concerned, many people ______.
A.
believe it will be successful because of the attraction of high salaries
B.
believe it will be successful as political problems are merely temporary
C.
doubt if it will work out owing to the idealogical gap between two sides of Taiwan Strait
D.
doubt if it will work out owing to the fact that neither side promises to loosen their restrictions on the exchange students' admission