Find out the correct statement.
(i) Tang dynasty undertook enormous public works.
(ii) Land was divided into smdll peasant holdings.
(iii) Now the length of the Great Wall of China is 6,800 kilometres.
(iv) The agricultural surplus went to the Aristocrats as rents.
(a) (i) is correct
(b) (i) and (ii) are correct
(c) (iii) is correct
(d) (iv) is correct
