题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/b7c18f13295ab99ea34137b9c3cf2ecc.png"> 的值等于( )A. <img src="https://tihai-oss-cloud.itihey.com/img/2ba0d56407b1bdb1b927fe574babca30.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/0003652c71b282d2adaf3b5eeddc8c81.png">C. 1D. -1