Correct Answer - Option 2 : Alt + Enter
Shift+Enter
This results in a soft return, sometimes called a line break or a newline character, being entered in the document.
Alt + Enter
The opens properties window of selected icon or program in Windows 95 and later.
It is the correct answer.
CTRL-SPACE
It removes character-level formatting (fonts, italics/bold, font size, etc.) but leaves paragraph formatting (indents, line spacing, etc.) intact.
ALT + SPACE
It is not a working combination in MS word