Given below four methods (A - D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follows

	Method		Mode of action
A	The Pill	1	Prevents sperms reaching cervix
B	Condom	2	Prevents implantation
C	Vasectomy	3	Prevents ovulation
D	Copper – T	4	Semen contains no sperms

• A	B	C	D
  3	1	4	2

• A	B	C	D
  4	1	2	3

• A	B	C	D
  3	4	1	2

• A	B	C	D
  2	3	1	4

A.

The contraceptive pills hormones either in combination or progesterone only that primarily prevent the release of the egg. It is convenient and highly effective, significant non- contraceptive health benefits such as protection against ovarian and endometrial cancers.
A condom is thin rubber sheath for penis that collects semen. It is easy to use effective and inexpensive.
vasectomy is the cutting and tying off ductus deferens. so that sperm cannot enter the ejaculate. 
Copper -T is a small device placed in the uterus that prevents fertilisation or implantation.