Answer: E. allowing the dead to be consumed by flesh-eating birds
Explanation: Zoroastrian funeral describes an ancient tradition or ritual performed for the dead. The main feature of this funeral is popularly called excarnation whereby body of the dead is laid on a projected structure so that it could be consumed by flesh eating birds such as vulture. According to history, Zoroastrian culture opines that dead bodies are impure and as such should not be laid in pure areas such as being buried in the earth due to it's impure nature. The projected structure is usually called the Tower of Silence.