GMAT Reading Comprehension (RC) | Re: The fossil remains of the first flying vertebrates, the

Took 14 min hell of a time .
My answers are
D B C B E E B A

Can someone explain me what's wrong with 5th question ? what's wrong with A - as it can also inferred as they said can't fold when landing on trees - implies live on trees aka forest areas ?.

Thanks in advance

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