The correct options are
A Manji system
B Pangat system
D Sangat system
Guru Angad Dev Ji, Guru Amar Das Ji, and Guru Ram Das Ji spread the Sikh religion by introducing systems like the Masand - for solving problems, the Manji - the bridge between the Guru and the Sikh Sangat, the Sangat - a congregation of devotees, and the Pangat system - sitting in a line and eating.