[单项选择]Science-fiction movies can serve as myths about the future and thus give some assurance　about it. Whether the film is 2001 or Star Wars, such movies tell about progress that will expand man’’s powers and his experiences beyond anything now believed possible, while they assure us that all these advances will not wipe out man or life as we now know it. Thus one great anxiety about the future--that it will have no place for us as we now are--is alleviated by such myths. They also promise that even in the most distant future, and despite the progress that will have occurred in the material world, man’’s basic concerns will be the same, and the struggle of good against evil--the central moral problem of our time--will not have lost its importance. 　　Past and future are the lasting dimensions of our lives: the present is but a brief moment. So these visions about the future also contain our past; in Star Wars, battles are fought around issues that also motivated man in the past. Thus, any v
A. only if the struggle for good life were fully discarded.
B. if only the conflict between good and evil had ceased.
C. on condition that man as he is now became extinct.
D. provided that average people were converted to angels.