Answer: a)Full Screen Reading
Step-by-step explanation: Full screen reading is the option present for the reading the text format easily on the system screen .This mode works by minimizing the extra data elements like menus of the screen. The full screen reading mode is usually preferred while there is the requirement of only reading without any editing.
Other options are incorrect because web layout is the layout of the web page, print layout is the tab for printing the layout of page options and draft is the written document which can be edited .Thus , the correct option is option(a)