Answer:
The interview because it was a primary source, while a biography is a secondary source written by someone else.
Explanation:
It’s gotta be B, the other answers make sense while that one doesn’t at all...
Thank you for serving our country to ensure our freedom and rights! I will always appreciate you and the others who have served. Your sacrifice can never be repaid but your service will never be forgotten.
Weak is the most opposite meaning to tenacious.