18.在施行根管治療或補綴治療時常用的局部麻醉藥物（local anesthetics）的建議最大劑量（typical maximum dose），下列何者正確？ (A)2% Lidocaine, 1:100,000 epinephrine, 13 cartridges (B)2% Lidocaine, 1:50,000 epinephrine, 8 cartridges (C)4% Articaine, 1:100,000 epinephrine, 10 cartridges (D)4% Articaine, 1:200,000 epinephrine, 10 cartridges