The correct option is C Sinhala 74 % and Tamil 18%.
Sri Lanka has a diverse
population. The major social groups
are the Sinhala-speakers (74 per cent)
and the Tamil-speakers (18 per cent).
Among Tamils there are two subgroups. Tamil natives of the country are called ‘Sri Lankan Tamils’ (13 per cent).
The rest, whose forefathers came from
India as plantation workers during
colonial period, are called ‘Indian Tamils’.