With the help of the teacher, he decided _______ in class.
A：not to talk
B：to not talk
C：talk
D：not to talking
在社会生活中有许多规定，如“严禁考试作弊”、“严禁酒后驾车”、“严禁违规使用食品添加剂”等。这样规定是因为 （）
