B, the whole point of a test, exam or assessment is to see how much you know; it is never about judgement. Just because someone doesn't pass a test, it doesn't mean they are dumb.
Answer:
Your answer would be a colon.
Explanation:
The rules of a colon
The colon is used to separate two <em>independent clauses</em> when the second explains or illustrates the first. In such usage, the colon functions in much the same way as the semicolon. As with the semicolon, do not capitalize the first word after the colon unless the word is ordinarily capitalized.
