Chronologically arrange the development of Harappan trade routes:
A. Baluchistan-Sindh route via Kirthar mountains
B. Indus-Sindh-Gujarat connection
C. North Afghanistan-Gomal-Taxila route
D. Sindh and Central Indus trade network
1
C, D, A, B
2
D, A, C, B
3
A, C, D, B
4
A, D, B, C
5
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