—Sorry, Mum can't come to the phone now. She a shower.
A:has
B:had
C:is having
D:was having
①具有强烈的集体荣誉感和责任感 ②放弃个人利益顽强拼搏的牺牲精神 ③把维护国家的荣誉和利益融入到白己的实际行动中 ④自觉维护集体的荣誉和利益
节水农业成绩最显著的国家是( )