contestada

This picture shows the Madrasa-Mausoleum Mosque. Which of the following is true of this mosque?
a.
It was the most costly and most ornate mosque ever to be built.
b.
It was intended to be a charitable complex and a display of piety.
c.
The marble columns were recycled from other structural sites.
d.
The façade of the mosque made of brilliant blue glazed tiles.