in Ms Word, What happens if you mark on Hidden check box of Font dialog box after you select some text?

in Ms Word, What happens if you mark on Hidden check box of Font dialog box after you select some text?

A. The text is deleted from document and you need to bring from Recycle Bin if required again.
B. The text is hidden and you need to bring it by removing the check box if needed again
C. The text is deleted and cannot be returned back
D. The text is hidden and cannot be returned back