The demand for food in poor countries is (穷国对粮食的需求是——中文由在线翻译而来,仅供参考)
A.
inelastic and more inelastic than in rich countries.比富国更无弹性,更无弹性。
B.
inelastic but more elastic than in rich countries.无弹性但比富国更有弹性。
C.
elastic but less elastic than in rich countries.弹性但弹性低于富国。
D.
elastic and more elastic than in rich countries.弹性比富裕国家更有弹性。