We can infer by this label that

We can infer by this label that ______.

A．the medicine could cause some people to feel nervous

B．children may take the same dosage as adults take

C．one may not take this medicine before going to bed

D．the medicine is liquid

A解析：B和C选项的内容与原文不符，属于错误信息；D选项内容也不正确，这种药为tablet意思为“药片”，本身并不是液体。A选项的内容可以由短文的最后一个句子“Reduce dosage if nervousness，restlessness，or sleeplessness occurs.”所确认。