In the following question, some parts of the sentence have error and some are correct. Find out which part of a sentence has an error. If a sentence is free from error, your answer is (d).
Part of the research programme (a)/ involved interviewing teenagers (b)/ in inner-city areas. (c)/ No error
Part of the research programme
involved interviewing teenagers
in inner-city areas
No error
C.
in inner-city areas
Replace 'in' with 'of' in the third part of the sentence.