GMAT Critical Reasoning (CR) | Re: Tiger beetles are such fast runners that they can capture

It is always better to simplify the argument -
There are two hypotheses

1. they need rest
2. they go blind

We need tostrengthen one and weaken the other .

Let us look at each of the answer options -
A- weakens both the hypotheses.
Suggests that the beetle is not blind(beetle immediately stops) and does not need rest (runs away without its intermittent stopping).

B - weakens hypothesis 2. (in pursuing a swerving insect, it alters its course while running)
strengthens hypothesis 1. (pauses
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