Directions: In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No Error" option. 

Every aspirant wants to pass (A)/ this exam, but no one wants to (B)/ do ten-hours study days and put in the (C)/ required efforts to achieve this success. (D)/ No error.