Which statement correctly describes a feature of the Taj Mahal?

___ A. Its main function is to serve as a Buddhist temple.
___ B. It was built during the Mughal dynasty as a mausoleum for the Mughal emperor’s wife.
___ C. Its marble walls have carvings that depict events in the Buddha’s life.
___ D. The domes are made of concrete, which gives them added strength.