During which phase of his rural reconstruction work did Rabindranath Tagore gain firsthand experience of the conditions of the poor people in rural Bengal as a zamindar?
ADuring the Swadeshi Movement (1903-1908)
BAt Sriniketan in the 1920s
CWhile working in his family estate at Silaidaha and Patisar in the 1890s
DDuring his time in urban Kolkata
Answer: