Correct Option: B

reveal (Verb) : to show; to disclose
camouflage (Verb) : to hide somebody or something by making him or it look like the things around, or like something else
hide (Verb) : to conceal
disguise (Verb) : to change your appearance so that people may not recognise you ; to conceal
pretended (Verb) : to behave in such a way as to make other people believe something that is not true