In his search for an effective method of motivating his students to practice, the piano teacher found that the more he reminded his students of their possible embarrassment in the upcoming recital, their willingness to prepare themselves in advance increased.
A) their willingness to prepare themselves in advance increased
B) their willingness to be prepared in advance was increasing
C) their willingness for advanced preparation was greater
D) the greater their willingness to prepare themselves in advance was
D) the greater their willingness for advanced preparation increased
Tough RCs: Passage1 | Passage2 | Passage3 | Passage4 | Passage5 | Passage6 | Passage7