What Type of Survivorship Curves Do Humans Typically Display

What type of survivorship curves do humans typically display?

A) A curve that follows a linear (straight) line that keeps on decreasing as age increases.
B) A curve that is initially decreasing steeply, before stabilizing at low values until old age.
C) A curve that is initially quite flat, until it decreases steeply at old age.
D) A curve that follows a linear (straight) line that keeps on increasing as age increases.