Yuki was curious if \triangle ABC△ABCtriangle, A, B, C was congruent to \triangle FED△FEDtriangle, F, E, D, so she tried to map one triangle onto the other using transformations: Yuki concluded:
"It's not possible to map \triangle ABC△ABCtriangle, A, B, C onto \triangle FED△FEDtriangle, F, E, D using a sequence of rigid transformations, so the triangles are not congruent."
What error did Yuki make in her conclusion?
Choose 1
Choose 1

(Choice A)
A
One more transformation — a rotation — would map \triangle ABC△ABCtriangle, A, B, C onto \triangle FED△FEDtriangle, F, E, D. So the triangles are congruent.

(Choice B)
B
One more transformation — a reflection — would map \triangle ABC△ABCtriangle, A, B, C onto \triangle FED△FEDtriangle, F, E, D. So the triangles are congruent.

(Choice C)
C
There is no error. This is a correct conclusion.