GMAT Critical Reasoning (CR) | The kinds of hand and wrist injuries that result from extended

HiVeritasPrepKarishma

I went through the explanations but am unclear about terminology -
out of scope.

Let me present my understanding of argument to know my shortfalls:

Teacher's plan: To monitor student's posture, when they are present in classrooom, (see argument end in particular)
to bring sharp reduction in number of injuries caused by incorrect posture.

Goal: knowing what data, will this plan be successful?

A and B -> do not talk about relevant injuries are out.
C -> In argument
...

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