单项选择题
下列函数极限运算不正确的是( ).……
下列函数极限运算不正确的是( ).
A.<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2014/8/27/d49a8363bea84a1cbb1a574976a6c122/d0c35373-845b-4349-9310-77e126aeec46.jpg">
B.<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2014/8/27/d49a8363bea84a1cbb1a574976a6c122/441a911d-7caf-4cfd-a93e-a2c14057805b.jpg">
C.<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2014/8/27/d49a8363bea84a1cbb1a574976a6c122/02772256-7b76-4368-83e1-9eb35862804f.jpg">
D.<br /><img src="https://imgtest.ppkao.com/ExamPaperRes/2014/8/27/d49a8363bea84a1cbb1a574976a6c122/3cc5b787-afdf-4bcb-88bc-1df9545ec2f7.jpg">