Read the following context and choose the best option to answer the question.
Context: So it 's 2 o'clock on a Saturday afternoon and I appear to be trapped in my building . My room smells like a brewery , even though the window has been open for the past 2 hours . My boyfriend , the source of the brewery smells , is tucked up in bed with a hangover . I need to go shopping , but I put some washing on and have an appointment to put on another loud when that 's finished .
Question: Why does the narrator 's room have a terrible smell ?
Options: 
- Their coworker at the brewery drank too much .
 - Their mom drank too much .
 - Their partner drank too much .
 - Their friend at the brewery drank too much .


Their partner drank too much .