Read the following context and choose the best option to answer the question.
Context: When my aunt 's husband ( mom 's cousin ) passed away in London , my father , sister , brothers and I all knew when it first happened . My mother was out in the same morning , but we never contacted her on the phone . We waited until she got back home , and sis was with her . Then when they got near mom 's room , she told her .
Question: Why did the narrator not call their mother to tell them what had happened ?
Options: 
- Their sister had told their mother .
 - None of the above choices .
 - Their mother was in London .
 - They did n't want to break the news over the phone .


They did n't want to break the news over the phone .