What is the primary focus of the research titled "Acinetobacter baumannii Bacteriophage: Progress in Isolation, Genome Sequencing, Preclinical Research, and Clinical Application"?
a. Genome sequencing of Acinetobacter baumannii
b. Clinical application of bacteriophages
c. Preclinical research on bacteriophage isolation
d. Isolation and sequencing of clinical bacteria
