The correct option is C A-iii, B-ii, C-i
The forebrain consists of cerebrum, thalamus and hypothalamus. A deep cleft divides the cerebrum longitudinally into two halves, which are termed as the left and right cerebral hemispheres. The hemispheres are connected by a tract of nerve fibres called corpus callosum.
The dorsal portion of the midbrain consists mainly of four round swellings (lobes) called corpora quadrigemina.The hindbrain comprises pons, cerebellum and medulla.