In each question given below, there is a sentence which has been divided into five parts. One of these parts is not grammatically correct and needs a correction. Read the sentence carefully and mark the option with the part of the sentence that contains an error Each of the candidates who applied for the prestigious fellowship (a) / were asked to submit detailed project proposals and letters of recommendation (b) / by the end of March, and the selection committee (c) / has committed to announcing the final list of awardees within six weeks of the deadline (d) /, after thorough review and evaluation (e) /.