2016高考训练--阅读理解。
阅读下列短文,从每题所给的四个选项(A、B、C、D)中,选出最佳选项。
Some of the most painful moments I spend as a vet (兽医 ) are those spent with my customers assisting my animal patients from this world to the next. Making this final decision is not easy, and I have often felt powerless to comfort the sorrowful owners.
That was before I met Shane.