The correct option is D He claimed that people of all religions are equal.
Guru Nanak Dev Ji attained enlightenment on the banks of the river Bein. Following his enlightenment, the first line he spoke was 'Na koi Hindu, Na koi Musalman'. Through this utterance, his message was Hindu and Muslims are not dissimilar. Both of them are children of the same god. Religious differences should not come in the way of treating people. Everyone must spread the message of kindness and humanity.