The correct option is B Tubectomy
Vasectomy is a surgical procedure for male sterilization where vasa defernita are severed and then tied/sealed so as to prevent sperm from entering into the seminal stream.
Prostatectomy is the surgical removal of all or part of the prostate gland.
Tubectomy is the surgical procedure for sterilization in which a woman's fallopian tubes are clamped and blocked which prevents eggs from reaching the uterus for implantation.
Thus, the correct answer is option (C), 'Tubectomy'.