Sania was asked to write about some actions which are voluntary in nature. She has written some involuntary actions too. Pick the involuntary actions written by Sania from the list given below.
(i) Chewing food
(ii) Sitting upright on a table
(iii) Digestion of food
(iv) Beating of heart
(v) Singing a song
(vi) Dancing
(vii) Breathing
A (i), (iii) and (v)
B (iii), (iv) and (vii)
C (ii), (iii) and (vi)
D (v) and (vii)