What Is the Correct Order of Reproduction in Members of Phylum

What is the correct order of reproduction in members of Phylum Zygomycota?
A.Hyphae of opposite mating strains touch each other
B.Gametangia merge,nuclei pair and fuse
C.Spores are released from the sporangium
D.Gametangia form at the end of the hyphae
E.A thick wall develops around the zygospore

A) a - d - b - e - c
B) a - b - e - c - d
C) a - b - c - d - e
D) e - d- a - b - c