The correct option is D All of the above
Guru Arjan Dev Ji started writing 'Adi Granth Sahib'. It was completed, compiled and then installed in Harmandir Sahib in 1604. It contains hymns, Shabads, shlokas of Guru Nanak Dev, Guru Angad Dev, Guru Amar Das, Guru Ram Das and Guru Teg Bahadur. It also contains the 'Bani' of Hindu saints like Ravidas, Ramananda, Kabir, Bhagat Bhikan and Sheik Farid.