题目内容:
What does the phrase "a third option" (Line 2, Para.2) refer to?
A.The rider delivering the meal directly to the home. B.The rider delivering the meal directly to the ear.
C.Drivers using their mobile phones to place orders.
D.Giving coupons to drivers who place orders in traffic jams.
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析: