Read each sentence to find out whether there is any grammatical mistake or error in it. The error if any, will be in one part of the sentence. Mark the letter of the part with error as your answer. If there is no error, mark ( E ).
To run a company effectively (A)/ it is very important (B)/ in knowing the strengths and weaknesses (C)/ of the employees. (D)/ No error ( E )
`{:((a),A,,(b),B),((c),C,,(d),D),((e),E,,,):}`