I think is number one
it's confusing
Maybe it is ( just maybe ) the scientist were very exited after they made that discovery BECAUSE they have been searching for it for years
I would chose D given what the passage shown is discussing. It is discussing state laws and what determines ones race. This is how i came to my conclusion.
The answer is C.) because of the present participle "has". If the present participle "has" wasn't in the sentence, then the answer would be B.). Anyway, the answer is C.) because of "has". (has spoken). I hope that helps :)
Answer:
B
Explanation:
I'm just guessing because I cant elaborate on just the question