Answer:
Option B is the correct answer.
Explanation:
Irony is a rhetorical device that contrasts difference between expectations and what really happens, which can be a difference among the meaning that is said and the real meaning, or that is expected and what really happens.
The Question of South Africa was a speech delivered by Bishop Desmond Tutu when he received the Nobel Prize in 1984. To get his point across (the demanding situation in Africa) the speaker uses irony.
