Disseminating Research Results in the "Least Publishable Unit"rather Than as a Coherent

Disseminating research results in the "least publishable unit"rather than as a coherent whole is unethical because

A) it distorts the meaning of the research.
B) it gives authors excessive credit for the extent of their publishable work.
C) it makes scarce reporting space less available to other authors.
D) all of the above.