Reading Comprehension (RC) | Re: Two opposing scenarios, the “arboreal” hypothesis and the “cursorial”

Hi Experts, Can you tell an efficient way to solve these long RC passages? I solved this with 75% accuracy but it took me a long time. For instance, Q3, in which it is asked which of the following was mentioned for discussion of A hypothesis vs B hypothesis? Now, since there are so many details here in both the hypothesis, it took me 4 minutes to figure out what was mentioned in paragraph 2 while not mentioned in paragraph 1. This is way too much time. How do I go about improving this?

I read