题目7单选题
设<img src="https://tihai-oss-cloud.itihey.com/img/c2345dadcd16cb7fa8c7210c745a7d66.png">,极限<img src="https://tihai-oss-cloud.itihey.com/img/0c1be6684f6b650f57316a91181ef24d.png"> ,<img src="https://tihai-oss-cloud.itihey.com/img/bb3ba1f107130433d39f907813440212.png"> ,<img src="https://tihai-oss-cloud.itihey.com/img/24e530fae5c705bea0e4f0038b20f784.png">是A. 0,1,不存在B. 1,1,存在C. 0,2,不存在D. 2,2,存在