Possessive pronoun or possessive adjective
Answer:
B, unsure about the new experience.
Explanation:
if you look in the writing, you can see key sentences that had a hint of worry and hesitation to them. for example "pressed for time, I finally decided it was safe enough to try."
I think it was a horse.... I don't know
A, In Fact, studies by scientists have found......
In fact followed up by an actual factually proven statement!