Mark the letter A, B, C or D on your answer sheet to indicate the correct answer that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one
Trả lời câu hỏi dưới đây:
There seems to be a large …............……. between the number of people employed in service industries, and those employed in the primary sectors.
A. phân biệt đối xử
B. quyết định
C. sự khác biệt tương phản
D. phân biệt