In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and click the option corresponding to it. If the sentence is free from error, click on option 5 which is the No error option.

The pyramids of Giza (A)/ are one of the Seven wonders of the world (B)/ and are the most unique (C) man- made structures (D)/. No error (E)