the answer is C, I legit just took the test not even 2 minutes ago
c. because answer A is irrelevant because the piece of evidence is about how to count not about rocks. Answer B is also irrelevant because there is no proof that wind-wolf was forced to work instead of helping out. answer D has nothing to do with any of it because the evidence is about counting not that he is unhappy or wants to learn differently.
You could go with ‘The company has never been with the system until now.’
You forgot to add the passage for this.
Answer:
the author's purpose is to persuade or convince