In the past, services of backward communities and weaker sections of society were used without payment of some kind.

In the past, services of backward communities and weaker sections of s

1.	In the past, services of backward communities and weaker sections of society were used without payment of some kind.
A.	ayment or kind
B.	ayment of a kind
C.	ayment of any kind
D.	o improvement
Answer» D. o improvement