In this question, the verb that generally suggests a state of being is "B. Remain." Verbs that indicate a state of being describe a condition or state that someone or something is in, rather than an action being performed. "Remain" is a verb that often implies staying in a particular state or position without changing actively.
For example, in the sentence "She remained calm throughout the situation," the verb "remained" indicates a continued state of calmness without any active change. This differs from verbs like "think," "educate," or "cooperate," which imply actions or processes rather than a static state of being.
Therefore, when looking for a verb that suggests a state of being, "Remain" is the best choice among the options provided.