题目1单选题
如果函数<img src="https://tihai-oss-cloud.itihey.com/img/9e83a3ff5b49fdf33925db37edf90f8c.png">的定义域是<img src="https://tihai-oss-cloud.itihey.com/img/777e9453a99435ad53311c96956f6198.png">,则<img src="https://tihai-oss-cloud.itihey.com/img/6f1641b2eec96fef9dfd67019bf0d21d.png">的定义域是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/7441e010b791be69cf1a5f68dd07f5c8.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/dd111f2f070eccdb9ccdaa5b652d258d.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/ed42612d4b27d0de7893674aea5921b3.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/f3ed3b391f14cdb66e4b1d1363f64b81.png">