A. They felt somewhat helpless about it. B. They accused those responsible for it. C. They pooled their efforts to help solve it. D. They demanded a through investigation. 参考答案:C 答案解析:[解析] pitch into意为“投入”,表示他们愿意去帮助解决问题。同时根据“if we can help ease their financial burden,we will.(如果我们能帮着