What are the advantages of having a presurvey with open questions to assist in constructing a questionnaire that has closed questions? iClick the icon for an example of open and closed questions. Choose the correct answer below. OA. The researcher can possibly eliminate the need for closed questions. OB. The researcher can get an idea of how large the sample needs to be. OC. The researcher can possibly create the option to use open questions. OD. The researcher can learn common answers.