The answer would be D. Who. It is not A because knowing why someone did something would not tell you who the person was, just tell you what they did. It is not B because when would just tell you the age of the person or the year that the story took place. C would not be the answer because you need to know who is in a story not how the story came to be. If you can please mark brainliest and I hope this helps! Have a great day mate!
Answer:
The tiniest mammal is the bumblebee bat which must eat often although it weighs less than an ounce.
Explanation:
Please mark as brainliest