Which of the following contain plasmids, which can be used to insert DNA fragments into cells, for transgenic animals production?

The correct option is B Bacteria
Plasmids are low molecular weight extrachromosomal DNA of bacteria that carry the origin of replication, restriction sites and selectable markers to confer readily selectable phenotypic traits on host cells. Plasmids require very few genes for their own replication and rest of it can be deleted and foreign sequences can be added to the plasmid which in turn makes them a suitable candidate to serve as a vector. Thus, the correct answer is B.