Ahhh my brother and me ... Whenever we meet new people together and they learn that we are siblings , their first response is always the same : You do n't LOOK like brother and sister . And it 's true . We do n't . Not at all .

Q with options: Give answer the following question using evidence from the above passage: Why do people react like that ?
Choices:
I. They do not like us as people
II. Siblings usually look similar to each other
III. Siblings usually look like we do
IV. None of the above choices .
II.