The Replacement of the Genome of Mycoplasma Capricolum with the Modified

The replacement of the genome of Mycoplasma capricolum with the modified genome of M. mycoides is considered to be a significant accomplishment because it

A) demonstrates that genetic manipulation of recalcitrant organisms is impossible.
B) opens the possibility to redesign prokaryotic genomic systems.
C) enables gene editing of species.
D) merges the genomes into a hybrid.
E) creates a riboswitch board.