For Question 1, the correct answer is: D. All of the above. This is because all the mentioned events contributed to Malala's mother insisting on alternative transportation to ensure her safety.
For Question 4, the correct answer is: A. She thought that Malala would be safer if she wasn't walking to school. This inference is based on her decision to insist on a rickshaw to school and a bus home, indicating her concern for Malala's safety.