Read this passage from "Young Pablo Casals": All those years studying at the music schools in Barcelona and Madrid, learning the glorious suites of Bach and the bold sonatas of Beethoven—all that training and practice, just to play dance-hall music? Casals needed the money. He took the job. Based on this passage, what can be inferred about Casals? A. He was practical. B. He was not a confident person. C. He lacked common sense. D. He had an adventurous side.