What does the speaker say about Safesensor? A.It is perfect for keeping bicycles safe and secure. B.It automatically locks your door each evening. C.It makes car trunks harder to open. D.It fits perfectly on the back of a mobile phone.
A.It B. B.It C. C.It D. D.It
【参考答案】
B 解析:关于Safesensor这个产品,文中说它“will automatically lock the f......