题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/25c9cbc4ec20000b8918b769beddf1b5.webp">表示两互相垂直的平面A. <img src="https://tihai-oss-cloud.itihey.com/img/1f6a8756dc7f5a02e8e01692a3074d09.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/49045b42408472fbef580bca9c3bc5ef.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/d841e4f1291387b8ccad792b12a7ddf2.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/4864302fb7deabb207d141207b58d409.webp">