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.
Q: Prompt: Alice studies for her math test. She 
Completion A: watches a cat video. 
Completion B: opens her English textbook. 
Completion C: reads the newspaper. 
Completion D: work on algebra problems.
A: 
Completion D