Charles Darwin's discussion of gender, particularly in the context of his evolutionary theory, is nuanced and reflects the scientific understanding of his time. Generally, Darwin did not advocate for a clear superiority of one sex over the other; rather, he described differences in the roles and characteristics of males and females in terms of reproduction and survival.
In his works, such as "The Descent of Man," Darwin noted that males and females often exhibit different traits due to sexual selection, which might lead to perceptions of superiority or inferiority in various contexts. However, he did not categorically state that one sex is superior or inferior overall; instead, he suggested that differences arise from evolutionary pressures and reproductive strategies.
Therefore, none of the options provided fully encapsulate Darwin's views. His perspective was more complex, acknowledging differences while not strictly labeling any gender as superior or inferior.