45. What reason do the major museums provide for not handing back the ancient objects?
(A) Only in the leading museums can the objects be fully appreciated by the world.
(B) It is better for those objects to remain at a certain place than to be moved around.
(C) They need those well-known ancient objects to attract people from all over the world.
(D) Ancient civilizations can only be admired if they are removed from their home countries.