The correct answer is <span>d. a power structure in which each member knows his or her own place.
This does not necessarily mean that it is either a good or a bad thing. An example of positive hierarchy would be in a household where parents are above children and decide for them because the children are too small.</span>
Options C and D feature parallel structure.
Parallel structure occurs when the same grammatical pattern is used. In options C and D, the same grammatical pattern is used in each: both are questions, and both begin with a verb followed by the subject.
It may be A because all others have commas in incorrect spots