It is significant the directer is the leader they provide important instructions for there opponents to follow so they will not fail
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Answer:</h2><h2>
A x b's daughter</h2><h2>
B x C's mum</h2><h2>
D x C's bro</h2>
<h2 /><h2> D and A are Siblings: Because, A and C have one mum...</h2>
C is the correct answers. I know this because I took the test on edg2020. I got it right
Spiders especially Arachne