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<單選題>圖(十一)正三角形\(ABC\)與正方形\(CDEF\)中，\(B\)、\(C\)、\(D\)共線，\(\overline{AC}=10\)，\(\overline{CF}=8\)｡動點\(P\)沿\(\overline{CA}\)移動，\(\overline{FP}\)最小長度為何?
(A)4
(B)5
(C)4\(\sqrt{3}\)
(D)5\(\sqrt{3}\)