The correct order to the emergency response is to:
A.
Check the victim, send for help, check the surroundings for danger.
B.
Send for help, check the surroundings for danger, check the victim.
C.
Check the surroundings for danger, check the victim, send for help.
D.
Send for help, check the victim, check the surroundings for danger.

How is the central idea developed further? (a) the author elaborates on the treatments for allergies in adults and how they work. (b) the author quotes the reactions of experts and the methods used to conduct the study. (c) the author compares the different rates of food allergies shown in children and adults. (d) the author indicates the limitations of the study because of differences in health care.