Implicit statement is <span>something that is understood but not clearly stated.
So your answer would best be B: Inferred.
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One of the most definite traits is honesty. But it would vary for everyone maybe some people would say cleanliness, organized, funny, kind, caring, the list goes on and on.
The answer in my opinion is A. It would really show how big the Great Wall of China is and prove it is one of the largest building projects.
Hope this helped ☺️
Hola como estas como esta usted