The family doctor knows us for many years and continuously following his old medical treatment procedure with us which might not be any value to us but going for a specialist is the conservative first approach treatment rather a aggressive treatment.
I think it is.... subjective ? idk i am not quite sure
"D.all of the above" is the answer
Well this is a good question with some pretty funny answers. Just by looking at it we can use common knowledge to say D is wrong, therefore it can be eliminated. Also look at A is has nothing to do with the delaying of childhood diseases, so it can be eliminated. Then look at B I mean there is no delaying the child already has diseases. So the correct answer is C)lack of health insurance
