In A B C , a line X Y parallel to B C...

In ` A B C` , a line `X Y` parallel to `B C` cuts `A B` at `X` and `A C` at `Y` . If `B Y` bisects `/_X Y C` , then (a)`B C=C Y` (b) `B C=B Y` (c) `B C!=C Y` (d) `B C!=B Y`

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