参考答案

正确答案：A
解析：文章在“What are the functions and values of wetlands?”的标题下“Water storage.”一段中指出“Wetlands function like natural tubs or sponges，storing water and slowly releasing it”：“湿地像天然的水缸或者海绵，承担着水的储存和缓释的作用”。故答案为Yes。