单选题
The behavior sensor and software system built in a phone ______.
A、
could help store messages
B、
could send messages instantly
C、
could tell when it is wise to interrupt you.
D、
could identify important phone calls
【正确答案】
C
【答案解析】
第二段中的that是代词，指上段最后两个句子的内容。而答案在第一句的后半部分： 确定何时适合打扰你。故答案为C。
提交答案
关闭