Given below are foru methods (A-D) and their modes of action(a-d) in achiving contraception. Select their correct matching for the four options that follow
`{:(,"Method",,"Mode of Action"),(A,"The pill",(a),"Prevents sperms"),(B,"Condom",(b),"Prevents implantation"),(C,"Vasectomy",(c),"Prevents ovulation"),(D,"Copper T",(d),"Saman contains no sperma"):}`