Question about dasheswhich of the following examples uses a dash or dashes correctly? a. all three areaslong—of the grammar systemlong —phonology, morphology, and syntax will be covered in this textbook. b.all three areas of the grammar system, phonology, morphology, and syntax, will be coveredlong—in this textbook. c.all three areas of the grammar systemlong—phonology, morphology, and syntax will be covered in this textbook. d.all three areas of the grammar systemlong—phonology, morphology, and syntaxlong—will be covered in this textbook.