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A shipment of banners contains banners of two different shapes, triangular and square, and two different colors, red and green. In a particular shipment 26%of the banners are square and 35% of the banners are red. If 60% of the red banners in the shipment are square, what is the ratio of red triangular banners to green triangular banners ？（）
A.A
B.B
C.C
D.D
E.E
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