Nowadays, the requirements for female writers and male writers aren't so different from each other, in terms of creative thinking. Female authors write about everything with more autonomy than in the Victorian era, where Mrs. Woolf was born. But when we speak of financial terms, there's still a difference between them.
I am pretty sure the answer is D.
The author is talking about how snakes are an important part of the natural world, so the correct one would be A, <span>Snakes eat millions of rodents that destroy crops. </span>
