The option that best describes Jonas's feelings about his upcoming Assignment is: He is optimistic that his Assignment will be perfect for him; however, he is anxious to find out what it is.
This response captures Jonas's confidence in the meticulousness of the community's processes, including the Matching of Spouses and the Assignments, while also conveying his eagerness and anticipation as the moment of the Assignment approaches. He expresses assurance that the Committee of Elders will make the right choice for him, but he also exhibits a desire for the suspense surrounding the event to end, indicating a level of anxiety about the impending change.