Answer:
A. Petra believes that often the teachers tell the students things that they do not believe themselves
Explanation:
According to the given quote, Petra believes that there is falsehood everywhere, both at home and in school, to the extent that children are lied to, or kept away from the truth.
Based on the quote, Petra is a teacher and she talks about being forced to tell lies to the children.
Answer:
to lend credibility to the claim that other species also use tools
Explanation: it makes more sense than all the other options B to show chimpanzees are not intelligent disproves her first point at the start of the story especially when she said accept as human because humans are the smartest animals there is and let us be honest C is just obviously wrong.