Arrange the different stages of the discovering of Amaravati in a chronological order :
(A) In 1854, Walter Elliot visited Amaravati and collected several sculpture panels.
(B) The slabs from Amaravati were taken to different places like the India Office in Madras.
(C) A local Raja stumbled upon the ruins of the stupa at Amarvati.
(D) A British officer named Colin Mackenzie visited the site of Amaravati.
Choose the correct answer from the options given below :