Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Prompt: George H.W. and Barbara Bush spent more than seven decades of their lives together until her passing on April 17, 2018. George H.W. 
Completion A: always eat breakfast with his wife. 
Completion B: had to live alone without her wife. 
Completion C: didn't expected his wife would die on April 17. 
Completion D: grieved for his wife's death.
Student:
Completion D