The correct answer is C) pattern.
The observable tendencies of a person or groups create a pattern.
A pattern is a specific way of how things happen in a determined circumstance. In this case, when a person behaves in a certain way in determined circumstances, and does it one, twice, and much more time, the person generates a pattern. Its the sane with groups. They form a pattern by the way they respond to situations. The pattern means that their behavior does not vary, that is permanent.
The other options of the question were a) culture. b) society and D) civilization.