What do meg, charles wallace, and calvin have in common?
a. they all go to the same school.
b. they all are excellent in math.
c. they all have a parent who is missing.
d. they all feel like outsiders in some way.

After reading the poem "A wrinkle in time" which is written by Madeleine L'Engle I understand that the main characters are portrayed as an awkward in some way. Everyone of them has some problems with the society that surrounds them. The society do not understand them and thinks that they are strange, but in fact these characters talented children who are in many ways superior from the people around them.

That is why the correct answer is D) They all feel like outsiders in some way.