Since we have to choose from the multiple choices, we have to sort it out option by option. The answer is not A because the sentence itself concerns renewable energy. If we delete recent, we will lose the correct meaning of the sentence concerning the increase related to time. Therefore, B is incorrect. C is not correct, as well. The sentence concerns new technology, not just any technology. Then, the correct answer is D. Indeed, "really important" is not a correct usage.
<h2>Answer: Pick the mood you want to evoke. This is the feeling or emotion you want to give to your readers, and what all the elements in your short story will work together to achieve ^^</h2><h2 />
