问答题
Andre told the board that both the fund deficit and the disillusionment of the investors were a problem that had to be addressed immediately.
【正确答案】正确答案：a problem一problems
【答案解析】解析：根据句意可知，基金亏损和投资者理想的破灭都是需要立即解决的问题，both…and…结构中的the fund deficit和the disillusionment of the investors都是问题，应该用复数。