單項(xiàng)選擇題

圖示結(jié)構(gòu)EI=常數(shù),截面C的轉(zhuǎn)角是:()

A.ql3/8EI(逆時針)
B.5ql3/24EI(逆時針)
C.ql3/24EI(逆時針)
D.ql3/24EI(順時針)