单选题 The underlined word" that" (Line 4, Para. 2 ) means ______.

A、 a dam will be built across the river
B、 a dam will store water for dry seasons
C、 in wet seasons a dam will prevent the flooding of the land
D、 houses and fields will be covered with water

【正确答案】 D

【答案解析】由第二段that前的“Most people will accept．．．”和“．．．and this may mean that houses and fields will be covered with water．”可知that代替上面所说的建大坝后所形成的湖泊会淹没房屋和土地这一情况。