The reason for his failure (a)/ is because (b)/ he did not work hard. ©/ No error (d)

Each question in this section has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). The reason for(a)/ his failure is because (b)/ he did not work hard.(c)/ No error. (d)