Answer:
Option (A) i.e., CTRL is the correct answer.
Step-by-step explanation:
When any user or person want to select any data or items randomly or in an alternative manner or to select non-adjacent items then, firstly he click on the first item then, he hold the CTRL button i.e., control button and select that items which he want to select by clicking right button of mouse on that items and they use the mouse scroller or the arrow key to scroll the page.