Command to insert a cover page into document is "Insert tab, Pages group".
The above command is used in the Microsoft word for insert cover page into the document. A Cover page presents the document with a title, a picture, or both, providing relevant document information. The cover page is a sub-tab that is available inside the insert tab. and other options are not correct that can be described as:In option, first Objects group command is used to insert the objects like Clip Arts, shapes in the document. In option, second Illustration group command is used to insert Shapes, Smart Arts, and Charts in the document. In option, fourth Media group command is used to insert media like image file, audio and video file in the document.