Read the following context and choose the best option to answer the question.
Context: Thinking became more and more important to me and finally I was thinking all the time . That was when things began to sour at home . One evening , I turned off the TV and asked my wife about the meaning of life . She spent that night at her mother 's .
Question: Why did their wife spend the night elsewhere ?
Options: 
A. Because they had car trouble .
B. Because their mom needed help .
C. Because they needed to pick something up from there .
D. Because they got into a fight .


D