The Text Discusses a Tiny Courtyard in India Where a Muslim

The text discusses a tiny courtyard in India where a Muslim healer named Amma meets dozens of patients daily. Amma's healing room crosses seemingly rigid gender boundaries, since she is a female healer in a position of spiritual leadership. What other seemingly rigid boundaries does Amma's healing room cross?

A) ethnic boundaries, since Amma is biracial
B) boundaries between science and religion, since Amara uses medicine to heal
C) age boundaries, since Amma was one of the youngest healers in India
D) religious boundaries, since followers of many religions come to see Amma