Correct Option: C

Gandhara School of art shows Greek influence, therefore, it is known as Indo-Greek art. The important features of this school are :
(i) Buddha is shown as Roman and Greek gods
(ii) Moustache and beard are added to Buddha’s face
(iii) The figures of this school follow a given ratio between the size of the face and rest of the body.
During first and second century blue grey schist stone was used to make idols.