Final answer:
Guru Gobind Singh Ji was born on December 22, 1666, in Anandpur Sahib, making option A) 1666, Anandpur Sahib the correct answer to the student's question.
Step-by-step explanation:
Guru Gobind Singh Ji was the tenth Sikh Guru and an important figure in Sikh history. He was born on December 22, 1666, which corresponds to option A) 1666, Anandpur Sahib.
Guru Gobind Singh played a pivotal role in the evolution of the Sikh community, especially during the time when the Sikhs faced persecution from the Mughals, notably the Mughal Emperor Aurangzeb who executed Guru Tegh Bahadur, the ninth Sikh Guru.
The birthplace of Guru Gobind Singh, Patna Sahib, is revered and considered one of the holiest sites in Sikhism, similar in respect to the Golden Temple located in Amritsar, Punjab.