Which of the following are the worst forms of child labour, according to the ILO?
1. All forms of slavery or pratices similar to slavery.
2. Procuring or offering a child for prostitution or pornography.
3. Using, procuring or offering of a child for illicit activities such as trafficking.
4. Work likely to harm the health, safety or morals of children.
Select the correct answer

A. 1 and 2

B. 1 and 3

C. 2, 3 and 4

D. All of these

Answer: Option D