The correct answer is B. This answer contains a summary of the advantages of cloud storage, which can be developed in the essay as it was stated in the main claim. Also, this answer compares the advantages of cloud storage over traditional data storage; this detail was mentioned in the main claim, and it is restated in the conclusion. None of the other answers contain information restating what was directly said in the claim.
He literary techniques and figures of speech included in Robert Browning’s poem “My Last Duchess” include the following (highlighted with italics):
I feel like it’s A dramatic irony