Which of the Following Should Be Done During a Zoroastrian

Which of the following should be done during a Zoroastrian funeral ritual?

A) The body should be burnt on a funeral pyre.
B) Care should be taken to protect the earth from direct contact with bodies of the dead.
C) Placement of the body in a tower of silence should be done during the night.
D) The body should be washed and wrapped in a simple red garment.