题目5单选题
同时掷一对均匀的骰子,点数"2和6同时出现"这一事件的自信息量约为( )比特A. <img src="https://tihai-oss-cloud.itihey.com/img/67299ce27fe4795f1939c2c81f773050.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/b4328e18a895e43e9fd8d4f24af8893f.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/531ae87731ab319fe1425a72d2e96b88.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/99d54ae8339413f56738d698c83c8c53.png">