Answer:
Hi! your answer should be (A.) Usually the first line of the poem
Explanation:
If you look up any of her poems (ex: "Because I could not stop for Death" and "I heard a Fly buzz-when I died") the name of the poems are the first line of the poems.
In a way, this is a double edged sword. On one hand, the animals are needed to best test the effects, but on the other hand it can be seen as very unethical. Honestly, I don't really see a way around using the animals. Unless you get human volunteers, but there is no way to fully make them understand what they are getting themselves into which can turn unethical very, very fast. If all of a sudden one of your human volunteers decides that they do not want to be a part of the test anymore, there is noting you can do to reverse what has already been done.
1 is a depressant, but a specific drug is alcohol and 2 is a hallucinogenic such as LSD or ecstasy