CAT 2020 Sentence Correction and Error Correction — Previous Year Question

In the following question, four sentences are given which may contain grammatical or contextual errors. Choose the one which contains an error. If there is no error in any of the four sentences, mark (e) i.e. "All are correct":

A) The response rate to RTI requests have also slowed down. B) The JSP, therefore, can advance the objective of transparency. C) The RTI Act had dealt with the citizen's right to know about public information. D) There is no need for anyone to take recourse to the RTI Act and await a response.