问题：
[单选题]That means remaining mindful of the contributions that older people make to others — and making those contributions yourself. There’s no reason to accept that seniors are all addled and frail just because so many TV shows depict them that way. (Para. 12) What is the author’s opinion on older people?
AThey remain mindful.
BThey can still make contributions.
CThey are addled and frail.
DThey are the same as how TV shows depict them.
