Central ideas are always complete statements. Anxiety is not a complete statement therefore it is not an example of a central idea.
As a sign of homage for the late president, government flags will be flown at half-mast today.
1st one is the 1st one bc a simile is using “like or as” saying that he/she feels like a bird
2nd one is the 3rd one bc he/she is tired of ppl staring at him/her
3rd one is I think the 3rd one not 100 % tho
4th one is the last one if the 3rd one is right
5th one is the 2nd one (I think)
Sorry if I got them wrong they are a bit hard
I am pretty sure it's B. speech