How to I create a multiple choice question?

If you want to use multiple choice and force the respondent to only select one option, you would choose a "Radio Button" question type.

http://help.surveytown.com/article/64-reporting-choose-one-question-type

If you wanted to allow them to choose multiple options use "Checkboxes" question type.

http://help.surveytown.com/article/67-question-type-checkboxes

Happy Surveying!