15. The main point of paragraph 3: (a) is to define technical terms (b) is to define the scope of the study (c) is to explain why the writer is interested in the area (d) is to summarise the area to be covered in the article
15. The main point of paragraph 3: (a) is to define technical terms (b) is to define the scope of the study (c) is to explain why the writer is interested in the area (d) is to summarise the area to be covered in the article