I would say "A", otherwise you might be just wasting your time going after a job you are not qualified for, even if they do have an opening.
I believe the answer is D mainly based off the wording. The question says "Devices" And the only answer with devices involved would be D, Personal protective equipment.
Answer:
What are we going to do on the z00m?
<span>Social stratification is the essence of a democratic society. However, there can be drawbacks, such as the inequality of the classes. There comes a time when you have to wonder if those that are in better socio economic classes exploit those who do not have an edge in societal classes. So, to answer your question, it is both good for society in that it allows for classes to progress, and it may be bad since those in lower classes will have a harder time advancing.</span>