The correct option is C artificial introduction of sperms of a healthy donor into the vagina
Artificial insemination is the introduction of sperm into a female's uterus or cervix for the purpose of achieving a pregnancy through in vivo fertilization by means other than sexual intercourse.
Introduction of sperms of a healthy donor directly into the ovary - Intracytoplasmic sperm injection
Transfer of sperms of a healthy donor to a test tube containing ova - –zygote intrafallopian transfer