In a Zygotic Life Cycle

In a zygotic life cycle:

A) Haploid cells form gametes that fuse to produce thick-walled diploid zygotes capable of suviving stressful conditions.
B) There is an alternation of generations.
C) The zygote undergoes meiosis and produces many heat-resistant spores that increase the population size and aid in dispersal.
D) Haploid cells form spores that in turn fuse to produce thick-walled zygotes capable of surviving stressful conditions.
E) none of the choices provided.