The Text Notes That Today in the United States, We

The text notes that today in the United States, we live in an era of "invisible death." By this, the text means that:

A) the rituals surrounding death are very clear and well understood by members of our culture
B) we often cope with death by denying its existence in our lives
C) most people die while they are unconscious, thus the last moments of life are peaceful
D) the terror surrounding death is paralyzing and therefore we seldom see death approaching us