The correct options are
A Alauddin Khalji
B Muhammad Tughluq
C Firuz Shah Tughlaq
D Ibrahim Lodi
The first floor of the Qutub Minar was constructed by Qutubuddin Aibak. The rest of its floors were constructed by Iltutmish. It was repaired by Alauddin Khalji, Firuz Shah Tughluq, Muhammad Tughluq, and Ibrahim Lodi whenever it was damaged by earthquakes or lightning.