A) the Sufi order named after Abdul Qadir Jilani
B) the Sufi order strongly associated with the South Asian tradition of sama
C) the author of Kashf al-Mahjub, also known as Data Ganj Bakhsh
D) the Sufi saint associated with the Islamabad area
Answer: C
Explanation: Ali Hujwiri: the author of Kashf al-Mahjub, also known as Data Ganj Bakhsh.