Final answer:
Leonard Bast in 'Howards End' is best symbolized by the Bee, signifying his hard work and diligence as he strives to improve his life and social standing.
Step-by-step explanation:
In Howards End, the symbol that would be used to describe Leonard Bast is B. The Bee - symbolizing hard work and diligence. Leonard Bast is characterized by his aspirations and his struggle to improve his life and attain a higher standing in society, despite the numerous and often insurmountable socioeconomic obstacles he faces. His ceaseless efforts to better himself reflect the qualities of a bee, which is often associated with industriousness and perseverance. Unlike the symbols of love and passion, the passage of time, or self-reflection, the bee resonates most closely with Leonard Bast's circumstances throughout the novel.