Read this paragraph. Biology 101 with Professor Ramirez is the most challenging course I have ever taken. Though every inspiring class session includes exhaustive note taking and time-consuming lab work, I enjoy the material. The entertaining lectures are instructive, and all the students remain engaged throughout the hour. Which words from the paragraph support the conclusion that Professor Ramirez is a demanding teacher?a. challengingb. inspiring class session. c. exhaustive note taking. d. time-consuming lab work. e. entertaining lectures. f. engaged.