Google Apps Script - Form2Dox

var form = FormApp.getActiveForm(); // Get the open form and make it a usable var for below
var formTitle = form.getTitle();
var document = DocumentApp.create(formTitle); // create a new Document called FormQuiz_conversion
var question_position = 0; // variables for putting the questions and answers in the right position
var answers_position = 0;
var questions =  form.getItems();
var body = document.getBody();

function convertActiveForm2Txt() // main function to run
{
  for(var j = 0; j < questions.length; j++) // this loop is to label the titles with list numbers
  {
    write2doc(questions[j],j);
  }

  var bodyContents = body.getText();
  DriveApp.createFile(formTitle+"--import2Respondus.txt", bodyContents ,MimeType.PLAIN_TEXT);
}

function write2doc(quarshtun,j) // Iterate this function over all questions in the form
{
  if (quarshtun.getType() == FormApp.ItemType.MULTIPLE_CHOICE) // check if the question is multiple choice
  {
    var question = quarshtun.asMultipleChoiceItem(); // change the type from Item to MultipleChoiceItem
    var choices = question.getChoices();
    var title = question.getTitle();
    var i = 0;

    body.appendParagraph(j+1+". "+title); // set the title of the question in the document

    for (i; i < choices.length; i++)
    {
      if(choices[i].isCorrectAnswer())
      {
        body.appendParagraph("\t"+"*"+String.fromCharCode(i+97)+". "+choices[i].getValue()); // if the choice is correct append it and * <--
        answers_position++;
      }
      else
      {
        body.appendParagraph("\t"+String.fromCharCode(i+97)+". "+choices[i].getValue());  // if else  append  it<--
        answers_position++;
      }
    }
    question_position += i;
    answers_position++;
  }

  question_position++;
  body.appendParagraph("\n");  //  return break to the next question.
 }