Final answer:
Charlotte Brontë's pseudonym was Currer Bell, which she used during the Victorian age to avoid gender bias in publishing.
Step-by-step explanation:
Charlotte Brontë's pseudonym, or pen name, was Currer Bell.
In the Victorian age, it was common for female authors to publish under male pseudonyms due to societal norms that discouraged women from writing professionally.
Charlotte Brontë and her sisters Emily and Anne Brontë used pseudonyms to avoid the prejudice against female writers.
While Charlotte wrote as Currer Bell, her sisters Emily and Anne used the names Ellis Bell and Acton Bell, respectively.
They were part of the first stage of women's writing known as Imitation or Feminine, which is described in Elaine Showalter's A Literature of Their Own.
Therefore, the correct answer to the question 'Charlotte Brontë's pseudonym was?' is option 4) Currer Bell.