Answer:
its called upon to shoot an aggressive elephant while working as a police officer in Burma. Because the locals expect him to do the job, he does so against his better judgment, his anguish increased by the elephant's slow and painful death.
Explanation:
It is used in several contexts, one of them is "stark naked", when it is used like "naked as a jaybird", or in this case, when someone needs to take a shower, or change their clothes because she or he is scruffy, dirty or smelly, You may hear "go change your clothes, you are ragged as a jaybird", the color of the bird gives an appearance of dirt that is related to the popular saying.
Your incorrect answers were 3 and 4.
For number 3, the correct answer is b. This is because not language is not necessarily oral (i.e. there are written languages).
For number 4, the correct answer is b. Although comparative linguistics is a branch of historical linguistics, comparative linguistics is specifically concerned with comparing the linguistics of one person/place from the next.