Read the following context and choose the best option to answer the question.
Context: I knew the screen worked so we went home anyway . There , I successfully booted into safe mode , then again tried agin to get into a normal boot , with the same results - black . Being impatient , I then choose Last Known Good Configuration and everything came up as it should .... sort of .
Question: What is likely to have recently happened to the speaker ?
Options: 
A. They lost their boot .
B. Their power went out .
C. Their computer broke .
D. None of the above choices .


C