Consider the following statements:
A. Condom, diaphragm, and cervical caps are the common barriers used to prevent pregnancy.
B. Oral pills and vaginal pills are the chemical method practiced for the prevention of pregnancy.
C. Intrauterine Devices (IUDs) prevent implantation in the uterus.
D. Vasectomy and tubectomy are the surgical methods practiced for birth control.
The correct answer is