I think its B but i might be wrong hope this helps!
I would say D) Because swimming races are won by inches, the new suits can make a difference. It's joining a statement and a reason for the statement.
C) The French High Command is partly to blame for the fall of France.
Sunny~ ☺
Answer: a point where two or more things are joined.
Explanation:
Answer:
verify if they meet a certain standard