问题：
[单选题] Text 4 Ride-hailing giant Uber is buying the electric-bike start-up Jump Bikes,adding bike sharing to its transportation options'.Uber Chief Executive Dara Khosrowshahi announced Monday that his compa
A、Promising.
B、Objective.
C、Skeptical.
D、Biased
参考答案：
A、Promising.
● 参考解析
