Correct option is D
A fire temple is a place of worship in Zoroastrianism or the Parsi religion.
In this religion, fire (i.e., sacred fire) is a symbol of purity and divinity, and this fire is always burning in the temple.
Although fire is worshipped in Hinduism, the term "fire temple" is directly related to Zoroastrianism.
Additional information:
The founder of Zoroastrianism was Zoroastrianism.
The main text of this religion is the Avesta.