The boy slipped out of the room and headed for the swimming pool without his parents' .
A. mand
B. conviction
C. consent
D. promise
网友回答
A. mand
B. conviction
(答案→)C. consent
D. promise
解析：consent 同意, 赞成, 答应。conviction 深信, 确信。promise 妥协, 折中。 mand 命令, 指令; 掌握, 运用能力。