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: Back at his apartment, he types on a laptop at his coffee table. Grinning proudly, he
Completion A: opens the book and reads it through the technology - in notebook book.
Completion B: stands, picks up his file, and places it together.
Completion C: selects a photo and returns it to the calendar.
Completion D: scratches his chin and looks down at a pile of magazines on the table.
Completion D