They hadn rsquo t realized a that their luggage b had been stolen c long before d no error e ........

English ( Master) Tenses

Directions : In these questions , read each sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentences .The number of that part is the answer, if there is no error, the answer is (E). (Ignore errors of Punctuation, if any.)

They hadn’t realized/(a) that their luggage/(b) had been stolen/(c) long before./(d) no error/(e)