29. Please _____yourself from smoking and spitting in public places, since the law forbids them.
A. restrain B. hinder C. restrict D. prohibit
<restrain>
restrain 限制，抑制（某人的行为）
</restrain>
<hinder>
hinder 阻碍，阻碍
</hinder>
<restrict>
restrict=put a limit 限制 (时速，物价等)
</restrict>
<prohibit>
prohibit 禁止
</prohibit>
hamper 妨碍，约束
