Hi helpers , I need your help in the following question .<br/><br/>Choose the option that corrects the parallelism error contained in the following sentence .<br/><br/>Not only does Rachel expect a promotion within the next year but also a significant increase in salary .<br/><br/>a. Not only does Rachel expect a promotion within the next year , but she also expect a significant increase in salary .<br/><br/>b. Rachel expects not only a promotion within the next year but also a significant increase in salary.<br/><br/>c. a and b<br/><br/>d. None of the above- original sentence has no error .