Given the task definition and input, reply with output. Given a prompt and four completions, select the completion that is the most plausible in continuing or answering the prompt. This task is designed to test common sense and has various categories ranging between idioms, negated statements, polysemy, subject referencing, and quantitative reasoning. Generate either Completion A, Completion B, Completion C, or Completion D.

Prompt: There is a line outside of best buy. The people 
Completion A: are trying to find the way home. 
Completion B: are enjoying a nice steak that is on sale today. 
Completion C: are waiting to shop for some sale items. 
Completion D: are attending a lecture at school.

Completion C