Which of the Following Should Be Selected as X in the Series

Multiple Choice

Which of the following should be selected as X in the series of clicks to insert a check box (form control) into a worksheet: Developer tab > Controls group > Insert > Form Controls > X?

A) Button image with a check inside two concentric rectangular boxes
B) Button image with an up and a down arrow in two rectangular boxes,placed one below the other
C) Button image of concentric circles inside a rectangular box
D) Button image with a tick inside a rectangular box