AFCT English Complete Practice Test Guide

The term "obvious" refers to something that is clear or easily recognized without confusion. It implies that the information or situation at hand can be readily understood or grasped without requiring additional explanation or detail. This quality of being self-evident ensures that the perceiver does not have to exert much mental effort to discern the meaning or the nature of what is being presented.

While "perceptive" relates to the ability to notice or understand things quickly and accurately, it describes a quality of the observer rather than the object or concept being understood. "Petrify" means to make someone unable to think or move, which is unrelated to the ease of perception or understanding. "Phenomenon" refers to an observable event or fact, but it does not inherently imply clarity or ease of understanding, as phenomena can sometimes be complex and difficult to interpret. Therefore, "obvious" is the most fitting choice in this context.