Atticus did not want his children in court because he knew they would be exposed to the lies, deceit, and racism endemic to the society in which his family resided and because of the abuse that would invariably be heaped upon his children's father by virtue of his willingness to defend Tom Robinson.
What are you talking about is this supposed to be English
Answer: B: earths magnetic field protects it from all types of space weather
Explanation: There is no text provided but this is the one that seems like it would be a good summary compared to the other answers.
B would be your best option because it explains the text more.