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: Alice walked home with a slump in her shoulders after failing a test. Alice 
Completion A: questioned her own ethics. 
Completion B: was scared of seeing her dog happy. 
Completion C: was afraid her parents would scold her. 
Completion D: laughed at her brother for getting a perfect score.

Completion C