B. stereo types, that is your answer
A legend is a caption, a title or brief explanation appended to an article, illustration, cartoon, or poster.
A key is an explanatory list of symbols used in a map, table, etc.
<span>We believe that the project is possible. Furthermore, we believe that we can do it within a few months.</span>
A passive voice is whenever you make the object of an action the subject of the sentence you are writing. (Ex: Why was the road crossed by the chicken?)
An active voice is whenever you make the subject of the sentence doing the verb's action. (Ex: The chicken crossed the road.)
