A. It's no, because suicide is a sin of murder. Exo.20:13, Rev.21:18
B. No, because the Bible declares the doomed of those that did it. Acts 1:18-20
C. No, because that is an act of giving oneself complete to satan. Jn. 10:10
D. No, because it's a false teaching that came from the man-made idea of denominational dogma. 2tim.3:16-17