a)  Recollection, absorption, meditation, constant remembrance & simplicity
b)  Recollection, absorption, simplicity, constant remembrance & trance
c)  Recollection, absorption, meditation, constant remembrance & trance
d)  Recollection, attachment, simplicity, constant remembrance & trance

The correct answer is
c)  Recollection, absorption, meditation, constant remembrance & trance