Final answer:
The shortcut to transpose two words is Ctrl+T (Option a). It efficiently swaps the positions of two words near the cursor.
Step-by-step explanation:
The keyboard shortcut that transposes the two words immediately before or under the cursor is Ctrl+T (a. Ctrl+T). This function can be quite handy when editing text. It allows you to quickly swap the positions of two adjacent words without having to cut and paste. For example, if you have the phrase "Word1 Word2" and the cursor is placed anywhere after "Word2", pressing Ctrl+T will change the phrase to "Word2 Word1". This feature can save time during the editing process and help make corrections more efficiently.