 
<prompt> context: Addison checked Skylar's car for her phone after she realized she hadn't seen it since they got home from work. 
 Question: What does Addison need to do before this? 
A. have finished eating before this B. have lost her phone before this C. check for her phone at work 
Refer to the context provided to answer the question that follows: <response>: B. have lost her phone before this 