Answer: C. a year's salary.
Step-by-step explanation: A noun clause or noun phrase is a group of words that together have the function of a noun. They are always dependant clauses, and they can act as the subject of a phrase, the direct object, the indirect object and the object of a preposition. In the given sentence, the noun phrase is "a year's salary" and it is the direct object of the sentence: The jury determined that the plaintiff should be paid a year's salary to compensate for losses incurred in the accident.