Chronologically arrange the following treaties/conventions signed between the Marathas and the British (starting with the earliest):
1. Treaty of Salbai
2 .Treaty of Purandar
3. Convention of Wadgaon
4. Treaty of Surat
Select the correct answer using the code given below :

Options

A. 4-2-3-1
B. 4-3-2-1
C. 1-3-2-4
D. 1-2-3-4