A is a good trap b/c
1/ A talks about a general fact, not just the impact of drought on the pond and other species => A is out of scope
2/ A tricks test takers to think that D is incorrect as people will wonder whether the population will decrease or increase.
D is correct.
1/ A talks about a general fact, not just the impact of drought on the pond and other species => A is out of scope
2/ A tricks test takers to think that D is incorrect as people will wonder whether the population will decrease or increase.
D is correct.


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