题目2单选题
求极限<img src="https://tihai-oss-cloud.itihey.com/img/97fc7c8bb2fa103eb4c073629a93ede8.png">,下列解法( )正确A. 用洛必达法则,原式= <img src="https://tihai-oss-cloud.itihey.com/img/89cdc11ee87e1851a492578b5452ac25.png">B. 不能用洛必达法则,极限不存在C. 不能用洛必达法则,原式= <img src="https://tihai-oss-cloud.itihey.com/img/28513c644055c44394ca564206af98f6.png">D. 不能用洛必达法则,原式= <img src="https://tihai-oss-cloud.itihey.com/img/3d5a5277fd6cec8a643eca31c527bd4d.png">