Which detail from "Malala the Powerful conveys the central idea that Malala stood up to the Taliban?

'A.Malala and her classmates stopped wearing their school uniforms and began hiding their books under their clothing."

B.The Taliban soon took credit for the assassination attempt, saying it was a warning to other girls not to follow Malala's
example."

"C.She wrote about her dream of becoming a doctor one day, her fears of the terrorists, and her fierce determination to get
the education she needed, no matter what the Taliban did or how afraid she was."

"D.Attendance at Malala's school decreased by more than 60 percent. But what could Malala do? What could one girl do but
o
watch helplessly as her freedoms were taken away?"