How Is Saccharomyces Cerevisiae Used in Genome Transplantation

How is Saccharomyces cerevisiae used in genome transplantation?

A) for assembly of large fragments by homologous recombination
B) for site-directed mutagenesis and correction of assembly errors
C) as the final host of the transplanted genome
D) as a host for the viruses into which the genome is transplanted
E) to produce the recombinant lambda-Red ssDNA-binding protein