S1: Trade and transport have been very significant in the progress of human life. S6: Thus, trade transport and communication complement each other. P: For a long time trade and transport moved within the restricted boundaries of space and time. Q: This has been made possible by the development of a fast and efficient transport and communication system. R: However, with the developments in the field of science and technology, trade and transport have spread all over the world. S: The world has, as a consequence, become one big village and distances have become immaterial or, to be more precise, distances seem to have shrunk.
A.P S Q R
B.P R S Q✓ Correct
C.Q S P R
D.S Q R P
Explanation
After S1 introduces the significance of trade and transport, P naturally follows: 'For a long time trade and transport moved within the restricted boundaries of space and time'. R then provides the contrast: 'However, with the developments in the field of science and technology, trade and transport have spread all over the world'. S follows with the consequence: 'The world has, as a consequence, become one big village'. Finally, Q explains the cause: 'This has been made possible by the development of a fast and efficient transport and communication system', leading naturally to S6 about complementary nature. Hence the correct order is P R S Q, option (b).
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