One Major Consequence of the Overconfidence Effect Is That

One major consequence of the overconfidence effect is that

A) some people cannot correct a personal trait that might be causing them to fail in many ventures.
B) someone could persist in pursuing a failed policy despite overwhelming evidence of the failure.
C) bad decisions can be made because people will act based on irrelevant information.
D) some people may wrongly believe in their forecasting ability to predict future outcomes of risky investments.