The correct option is B Ofloxacin
Antibiotics have either cidal (killing) effect or a static (inhibitory) effect on microbes. The former are known as bactericidal and the latter is known as bacteriostatic.
A few examples of the two types of antibiotics are as follows: Bactericidal: Penicillin, Aminoglycosides, Ofloxacin
Bacteriostatic: Tetracycline, Erythromycin, Chloramphenicol