[Review Quiz] Jeremiah Shackelford left Pivotal Labs because: (a) He was told to leave (b) He was terminated (c) Security would have forced him to had he atte

[Review Quiz] Jeremiah Shackelford left Pivotal Labs because: (a) He was told to leave (b) He was terminated (c) Security would have forced him to had he attempted to remain (d) All of the above.