The correct option is B 22 December 1666 A.D.
Guru Gobind Singh was born on 22 December 1666 in Patna to Guru Tegh Bahadur and Mata Gujri. He was a warrior, a poet, a philosopher. He completed the sacred scripture, the Guru Granth Sahib in the final form we find it today. He is known for founding the Sikh warrior community called Khalsa in 1699 and introducing the Five Ks- the five articles of faith that Khalsa Sikhs wear at all times.