Which of the following edits improves the parallelism of the following sentence? the music student spent her weekend reviewing her assignments, practicing instruments, and spent time on her listening activities. a. the music student reviewed, listened, and did activities. b. the music student spent her weekend reviewing assignments, decided what instruments to practice, and listening activities. c. the music student spent her weekend assigning, practicing, and listening. d. the music student spent her weekend reviewing assignments, practicing instruments, and completing listening activities.