24.下列何者為最終共同路徑(the final common pathway)受損時,可觀察到的臨床表徵?①atrophy ② decreased muscle tone ③fasciculations ④spasticity ⑤weakness ⑥clonus(A)①②③⑤(B)②③④⑤(C)①③⑤⑥(D)③④⑤⑥