If you are asked to compare two or more items, you are being asked to do what
a. show the differences between the items
b. show the similarities between the items
c. show the similarities and differences between the items

third person

explanation:

note the usage of names and pronouns, "james" & "the old man". this alone can confirm it as third person, as first person uses "i" and the like, while second person uses "you" and the like.

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the answer would be, she updates her online profiles regularly and participates in work-related online discussions.

in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,