Dear alien, Turkısh citizenship law(related to your sıtuation) is here,please read and see why they have rejected your request.
(1) An alien who wishes to be received into citizenship shall;
a) be of the age of consent possessing the distinguishing power according to his/her own
national legal system, or according to the Turkish law if s/he is stateless;
b) have been resident in Turkey for five years, without interruption, prior to her/his date of
application;
c) have the intention of settling in Turkey and prove this intention with action;
ç) not have any disease that constitutes a danger to public health;
d) be a person of good morals;
e) speak an adequate level of Turkish;
f) have an income or profession to provide for his own livelihood and those of his/her
dependants in Turkey;
g) not pose a threat to national security and public order..
may be you havent got something like that.