Question

The locations for the trials was been previously surveyed and identified by the Geological Survey of India, highlighting the potential for valuable mineral resources beneath the ocean floor.

In  the question given  below, a sentence is given with a part of it printed in bold type. That part may contain a grammatical error. Each sentence is followed by phrases 1), 2), 3) and 4). Find out which phrase should replace the phrase given in bold to correct the error, if there is any, and to make the sentence grammatically meaningful and correct. 
A for the trials was being previous surveyed
B of the trials were previously surveyed of
C for the trials was been previously surveying
D for the trials were previously surveyed
E no correction required
Practice Next

Hey! Ask a query