Direction: In the given question, four words are printed in bold and are numbered. Of these, the positions of two of these words may be incorrect and need to be exchanged to make the sentence correct. Find the two words that need to be exchanged. In case the given sentence is correct, your answer is e, i.e., 'No correction required'. The strategy (

• A worked tirelessly to develop a effectively (
• B marketing team (
• C that would comprehensive (
• D promote the new product.