<span>I believe the correct answer is B. And I say it is as great to be a woman as to be a man. This line shows us that Whitman thinks of men and women the same - in his eyes, it is equally good to be either a woman or a man, he doesn't care about the gender of a person, what he cares about are their inner qualities. </span>
In colloquial English 'them" would be acceptable
In formal English 'they' is used accompanied by the corresponding auxilliary verb
So, you could also say Is everyone who works in this store as helpful as they are ?
