The Texas Criminal Homicide Statutes Punish the Unlawful Killing of an "Individual

The Texas criminal homicide statutes punish the unlawful killing of an "individual." Which of the following is a factor that must be established to prove the victim meets the statutory definition of an "individual"?

A) Victim was a human being.
B) Victim had been born at time of infliction of fatal wound.
C) Victim took at least one breath outside the womb.
D) All of the above are statutory elements of the definition of an "individual."