Arrange the following major stupa-related discoveries and developments in order:
A. Amaravati stupa materials carried to Madras
B. John Marshall dedicates volumes on Sanchi
C. Shahjehan Begum funds Sanchi preservation
D. Discovery of Sanchi stupa by British officers
1
D, C, B, A
2
A, D, C, B
3
D, A, C, B
4
C, A, D, B