问题
单项选择题
When Mary discovered how treacherous the streets could be, she demanded that herboys stay close to her in the church gym and youth center, and the boys were as good as gold, listening to every word she says.
A．very naughty
B．very obedient
C．faithful
D．patient
答案
参考答案：B
解析：[分析] 形容词辨析 as good as gold(小孩)有礼貌的，乖的；(人)很亲切；而A．very naughty非常淘气、顽皮，没规矩的；B．very obedient服从的，非常孝顺的；C．faithful守信的，忠实的，可靠的；D．patient耐心的，忍耐的。所以答案为B。