A Shipping Company Employee Notices That the Inside of Ships

A shipping company employee notices that the inside of ships' hulls where ballast water is stored are deteriorating. The hull paint contained cyanide to prevent microbial growth. Since bacteria were growing on the hulls, you can conclude that the

A) Bacteria were using aerobic respiration.
B) Bacteria were growing by fermentation.
C) Bacteria were using anaerobic respiration.
D) Bacteria were using cytochromes.
E) None of the above.