Under Which of the Following Conditions Would the Public Interface

Multiple Choice

Under which of the following conditions would the public interface of a class be considered cohesive?

A) All of its features are public and none of its features are static.
B) The quality of the public interface is rated as moderate to high.
C) All of its features are related to the concept that the class represents.
D) It is obvious that the public interface refers to multiple concepts.