Amongst the options given, the possible answer would be "that Sayuri's intelligence is way beyond her years". A critical person can arrive at this answer because the situation stated that Sayuri had habits that differ from other children. Those extraordinary habits can be connected to the child's intellectual level. Kids that are more intelligent than the others will tend to display habits that are out of the ordinary.
I believe it’s the first option, because we basically move to the tempo of the beat to songs
The joint is called pivot joint. it is connected to your neck which allows you to turn your head.
Hope this helps :)
