Refer to the exhibit to answer the question.

Referring to the patterns of interactions, which of the following are possible problems with the
design that should be considered by the analyst?

A.
Responsibilities are not well distributed, with classes carrying out too many actions via their
own methods.

B.
Coupling between classes is too low, because a single user action translates to too many
method calls.

C.
Class cohesion is too high, as indicated by multiple messages in a row to the same object.

D.
The interactions are too detailed, continuing past public methods to protected or private
methods.