25. What is the author’s attitude toward the future of autos? (A)) Enthusiastic. (B)) Pessimistic. (C)) Optimistic. (D)) Cautious.

31. “... Old is suddenly in” (Line 1, Para. 1) most probably means “________”. (A)) America has suddenly become a nation of old people (B)) gerontology has suddenly become popular (C)) more elderly professors are found on American campuses (D)) American colleges have realized the need of enrolling older students