mary would like to display a collapsed section on her video catalog form, she has created a section buy when she display the form in the client the section always opens expanded. which one of the following should mary do to collapse the section?（）
- A nothing. Sections always open expanded
- B modify the section default properties to collapsed
- C modify the form propenties to display all sections collapsed
- D modify the section opened for reading property to auto-collapse&e