In below compare the bold part of each sentence with expressions A, B, C, D and E. choose the correct expression which is an improvement upon the bold part.In addition to enhanced their reputations through strategic use of philanthropy, companies are sponsoring social initiatives to open new markets.

• A. No correction required
• B. to have their reputation enhancing
• C. to having enhance their reputation
• D. to enhancing their reputation
• E. of enhancing their reputation

Answer: (D)