Our ignorance of what we don't know helps to sustain

A) confidence in our own abilities.
B) a pessimistic attributional style.
C) learned helplessness.
D) an external locus of control.

Our ignorance of what we don't know can lead to overconfidence in our abilities, which can be beneficial in some situations. For example, if we are unaware of the risks or challenges associated with a particular task or goal, we may be more likely to attempt it and succeed. However, this can also be dangerous if we overestimate our abilities and underestimate the risks involved. Choices B, C, and D are not supported by the given statement.