Final answer:
a. John Coltrane was the tenor saxophonist jazz fans first heard on Miles Davis' recordings for the Prestige label in 1956.
Step-by-step explanation:
The student's question asks which tenor saxophonist jazz fans first heard on Davis' recordings for the Prestige label in 1956. The answer is a. John Coltrane.
Miles Davis' sessions for Prestige mark a significant period in jazz history, as they feature the collaboration of Davis with saxophonist John Coltrane, who would go on to become one of the most influential musicians in jazz. These recordings are often celebrated for capturing the early development of Coltrane's signature style and are prized by jazz enthusiasts and historians alike.