题目内容：
Medicine Directions
Take two tablets with warm water, followed by one tablet every eight hours, as required. For maximum nighttime and early morning relief, take two tablets at bedtime. Do not exceed six tablets in twenty-four hours.
For children six to twelve years old, give half the adult dosage. For children under six years old consult your doctor.
Reduce dosage if nervousness, restlessness, or sleeplessness occurs.
The label on this medicine bottle clearly warns not to take more than ______.
A．twenty-four tablets a day
B．eight tablets a day
C．six tablets a day
D．three tablets a day
参考答案：【答案仅供学习，请勿对照自行用药等】