Which of the following statements best describes how members of Afghanistan's largest cultural group, the Pashtuns, view Islam?
a. The Pashtuns view Islam as a central and fundamental part of their identity, with strong adherence to traditional Islamic beliefs and practices.

b. The Pashtuns have a more liberal and flexible interpretation of Islam, allowing for a blend of local customs and religious beliefs.

c. The Pashtuns are divided in their views on Islam, with some being highly conservative and traditional while others are more secular and modern in their approach to the religion.

d. The Pashtuns have a unique and distinct interpretation of Islam that differs significantly from mainstream Islamic beliefs and practices.