单选题 From this passage we may safely infer that many ways might help prevent mental declines except ______.
A) doing jigsaw puzzles C) playing bridge
B) working crossword puzzles D) watching TV

A、 From this passage we may safely infer that many ways might help prevent mental declines except ______.
B、 doing jigsaw puzzles
C、 working crossword puzzles
D、 playing bridge
E、 watching TV

【正确答案】 D

【答案解析】见第六段"doing jigsaw puzzles to hone(磨炼) visual spatial skills, working crossword puzzles for verbal skills, playing bridge for memory and simply matching wits at home with players on TV game shows./