Why Must You Dig to Find the True Causes and Effects

Why must you dig to find the true causes and effects of your topic?

A) You must dig to present an honest explanation of the causes and effects.
B) The actual causes and effects may not be the most obvious causes and effects.
C) To build your credibility as an author, you must dig to find the true causes and effects of your topic.
D) Your first analysis of the causes and effects are never the true ones.