When your text states that communication is unavoidable, it means that people will probably associate meaning to your actions, even when you don not intend to speak of something.
Thats not allowed to happen. if it does then the sentence is incorrect, because of the subject\verb agreement
your answer would be B. themselves
The judge selected the winner "himself." <--adds more emphasis to the sentence overall.
Reduces hazardous fuels, protecting human communities from extreme fires;
Minimizes the spread of pest insects and disease;
Removes unwanted species that threaten species native to an ecosystem;
Provides forage for game;
Improves habitat for threatened and endangered species;
Recycles nutrients back to the soil; and
Promotes the growth of trees, wildflowers, and other plants;
