Answer:
Did you know that technology has opened the doors for innovation, learning and exploration? Technology has given us the advantage of instant communication worldwide and is an endless hole of knowledge most people can have access to. Technology has greatly improved our way of life from medicine, transportation and personal healthcare.
Context, please? I would then be able to help you out.
The answer is D. A simile is where two things are directly compared "as" or "like"- Usually used to compare
