题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/b137d94148b91af8e832a54779a61a41.webp">表示同一平面A. <img src="https://tihai-oss-cloud.itihey.com/img/b1e86c3e824764af01661a52ed9c3ae3.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/e456337e06b0d801787f27fa36712bd7.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/abdc81328a0e7ea1b7d32a208b4a2c45.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/7c09c35e86d1dcedeb010612d5020503.webp">