【单选题】The shear flow in the thin-walled member varies ( ) along the segments that are ( ) or ( ) the direction of the shear force V. On the cross section, the shear "flows" along...
A.
parabolically, inclined, parallel to, force equilibrium
B.
linearly, inclined, parallel to, force equilibrium
C.
linearly, inclined, parallel to, moment equilibrium
D.
parabolically, perpendicular to, parallel to, force equilibrium