Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer. If there is no error, the answer is 'D'. (Ignore the errors of punctuation, if any).

1. A leading textile manufacturer, one of the fastest growing in the industry.
2. is looking for a marketing manager
3. to look up the marketing network of the company
4. No error.