A、<img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152316030.jpg'>和 <img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152742735.jpg'>都增大
B、<img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152316030.jpg'>和 <img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152742735.jpg'>都减小
C、<img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152742735.jpg'>减小而 <img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152316030.jpg'>增大
D、<img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152742735.jpg'>增大而 <img src='https://tiw.cn/files/2016-07/tangyingmei/2016071713152316030.jpg'>减小
查看答案