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<單選題>圖(十四)直角三角形\(ABC\)的內切圓與\(\overline{AB}\)、\(\overline{BC}\)相切於\(D\)、\(E\)，\(\overline{BE}=1\)、\(\overline{CE}=4\)，\(\overline{AD}\)長為何?
(A)\(\frac{3}{2}\)
(B)\(\frac{5}{2}\)
(C)\(\frac{4}{3}\)
(D)\(\frac{5}{3}\)