Question

Please help!

Answer 1

B.

Answer 2

Please explain, B doesn't seem right.

Answer 3

a word that can function by itself as a noun phrase and that refers either to the participants in the discourse (e.g., I, you ) or to someone or something mentioned elsewhere in the discourse (e.g., she, it, this ).
I didn't answer this but I guess just use this to compare to the sentences!! Hope this helps:)