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 While the government’s proposal to reform the healthcare system has been applauded (a) / by many experts, concerns have been raised regarding the feasibility of implementing new programs (b) / within the stipulated timeframe, especially considering the existing infrastructural limitations, (c) / which is further complicated by uneven resource allocation across regions (d) / and the potential resistance from various stakeholders (e) /.