Which of the following sentences is punctuated correctly? OA. There is an effective, way to write a letter see chapter 11-so that you can communicate all of your needs. OB. There is an effective way to write a letter see chapter 11, so that you can communicate all of your needs. OC. There is an effective way (to write a letter) see chapter 11 so that you can communicate all of your needs. OD. There is an effective way to write a letter (see chapter 11) so that you can communicate all of your needs.