The correct option is A May 5, 1479
Guru Amardas Ji ascended the ‘Guru Gaddi’ in 1552 CE, at the age of 73. Under his predecessor, Guru Angad Dev Ji, he had been entrusted with overseeing the construction of the Goindwal Sahib. Guru Amardas Ji expanded the Langar to include and serve anybody irrespective of caste, creed, or religion.