write the letter of the item that contains a fragment.
1. a. Leon was very nervous. He had not studied for the exam.
A failing grade could result in
his failing the course.
b. Leon was very nervous because he had not studied for the exam.
A failing grade could
result in his failing the course.
c. Because Leon had not studied for the exam. He was very nervous. A failing grade could
result in his failing the course.