Which of the following are cerebral reflexes ?
i) A person pulls away his hand on touching a hot object.
ii) A person spits out immediately when a fly enters his mouth while talking.
iii) A person walking bare foot lifts his foot at once on stepping on to a nail
iv) A person’s pupil contracts at once in the presence of bright light.
A) (i) and (ii)
B) (ii) and (iii)
C) (iii) and (iv)
D) (ii) and (iv)