Whose disciple was Khwaja Moinuddin Chisti?

Q. Whose disciple was Khwaja Moinuddin Chisti? [UP PCS 2014]

A. Khwaja Abdal Chisti

B. Shah Wali Ullah

C. Mir Dard

D. Khwaja Usman Haruni

Answer: Khwaja Usman Haruni