Topscore PAT mistake?

[jhanago]

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http://imageshack.us/photo/my-images/31/unleddk.png/

Topscore says that my answer of A is incorrect and C is correct. I can see how C is... but why is A incorrect?

 

[YoonS]

Because, this will be the answer if you want A to be correct

 

[NguyenDDS]

http://imageshack.us/photo/my-images/31/unleddk.png/

Topscore says that my answer of A is incorrect and C is correct. I can see how C is... but why is A incorrect?

Side two (2 dotted side) is at the wrong diagonal 🙂

 

[jhanago]

WOW didnt even know we had to consider that.. damn cube details ! Thanks guys!