What Fiona could be described as having is known as an external locus of control.
A person with an internal focus of control always believed that their action leads to the success of their firm.
A person with external focus of control believed that their action does not determine the success rather, they believed on luck and fate.
Hence, Fiona is seen as having external locus of control because he felt the failure of the initial sales agent work is due to luck.
Therefore, the Option B is correct.
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