C. bicycling to build leg strength. It is the most general activity among the
four choices. Although it says to build
leg strength it is not so specific for what activity it will be used for. The other choices were more specific in their
goals.
I believe it’s A. Sentence 1 because all the other sentences make no since when the question is asking why she feels connected to death.
I haven't read the book in two yes but I think it's B