Early the next morning, I turned on my mobile phone, only to find that there were more than a dozen missed calls from my mother in silent mode.

 

I didn't call back, but went to the construction site after breakfast as usual.

 

Just as soon as I got out of the taxi, I saw that not far away, my mother was pacing back and forth on the edge of the construction site with an anxious face.

 

When she saw me, she came running quickly. "Krista, why didn't you answer my phone?"

 

I looked at her calmly. "Because I know what you want me to do, it doesn't matter whether I...