I believe it's the answer is A
Answer:
B. thorough
Explanation:
When a plane went down they mounted <u>extensive</u> searches and almost always they found the plane within a day or two.
I'm not the greatest at grammar, but I think the very first one is incorrect. It should just be a comma, then the second just a comma as well, but the last one is correct. (I have no idea, I am sorry if you get it wrong.)
D.) The American Dream is empty and superficial
