(i) The period before the introduction of writing is called pre-history.
(ii) The pre-historic people developed language, made beautiful paintings and artefacts.
(iii) The pre-historic societies are treated as literate.
(iv) The pre-historic period is called ancient. .
(a) (i) is correct
(b) (i) and (ii) are correct
(c) (i) and (iv) are correct
(d) (ii) and (iii) are correct