$\text{A.}$ $110^{\circ}$ $\text{B.}$ $105^{\circ}$ $\text{C.}$ $100^{\circ}$ $\text{D.}$ $95^{\circ}$
【答案】 D

【解析】 \begin{aligned} & \because a / / b, \angle 1=85^{\circ}, \\ & \therefore \angle 3=\angle 1=85^{\circ}, \\ & \therefore \angle 2=95^{\circ}, \end{aligned}