Final answer:
The leotard is a tight-fitting one-piece garment named after Jules Léotard, a French acrobat who designed it for his performances to allow freedom of movement.
Step-by-step explanation:
The item of clothing named after a French acrobat is B. Leotard. A leotard is a tight-fitting one-piece garment that covers the torso and sometimes the arms, typically used by gymnasts, dancers, and acrobats. It is named after Jules Léotard, a French acrobatic performer who is credited with popularizing the garment in the 19th century.
Jules Léotard originally designed the garment for his acrobatic performances, which allowed him freedom of movement and also showcased his physique to the audience. Today, leotards are widely used in various performance arts and sports due to their form-fitting properties.