Why is the skylark called the 'Ethereal Minstrel'?

Ithink the answers is a or d i hope it my friend message me if i’m wrong and i’ll change my answer and fix it for you

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.