Answer: C) The children’s innocence touches the volunteers’ hearts.
Step-by-step explanation: When writing, an author can use several rhetorical devices in order to persuade, inform or impact the audience in the desired way. One of the must used rhetorical devices is pathos which is an appeal to the audience's emotions. From the given options, the statement that uses pathos as a rhetorical appeal is the corresponding to option C: The children’s innocence touches the volunteers’ hearts, the mention of children's innocence is an appeal to emotion.