Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys________________?

i) shall not exceed 12 if lime mortar is used
ii) shall not exceed 18 if cement lime mortar 1:2:9 is used
iii) shall not exceed 24 if cement mortar 1:6 is used
the correct statments is ?
A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i) and (iii) are correct
D. (i) and (ii) and (iii) are correct