Concept:Icons on a computer desktop can be arranged using certain built-in criteria such as date, type, and name, but not colour.Explanation:I. Date — icons can be arranged by date modified.II. Type — icons can be arranged by item type.III. Name — icons can be arranged alphabetically by name.IV. Colour — this is not a standard icon arrangement option.Therefore, the valid options are I, II and III only.Answer:B. I, II and III only