One Way That We Make Sense Out of the Vast

One way that we make sense out of the vast and dizzying array of information that comes our way is through the use of heuristics, which are:

A) simple, but often only approximate, rules or strategies for solving problems.
B) simple, but highly accurate, rules or strategies for solving problems.
C) complex, but often only approximate, rules or strategies for solving problems.
D) complex, but highly accurate, rules or strategies for solving problems.