C and D.
It wouldn’t be A because 7/10 is less then 8/10 and therefore would be to it’s left and not to it’s right.
It wouldn’t be B because 7/10 is not equivalent to 3/5.
It would be C because 7/10 is less than 9/10 and therefore would be to it’s left.
It would be D because 7/10 is greater than 4/10 and therefore would be to it’s right.
