Directions: In the following sentence, 4 words are given in bold. Two or more of these words are incorrectly placed and need to be interchanged. If there is no need for interchanging then ‘No Error’ can be selected.  

A new report convalescing (A) the damage wreaked (B) by an oil disaster in Assam’s Baghjan village stated that gauging (C) even 70-80% of the desecrated (D) ecosystems would take at least a decade.