21. " Just sign here, sir," the deliveryman said as he handed Oscar Reyna a package.The package consisted of a long , narrow box ___21____ wrapped in brown paper. __22___ the box , Oscar saw an umbrella inside—— a very old one with a beautifully carved handle. ____23___He had not seen it in more than 20 years , he recognized it ____24____.Oscar was 16 when he first saw the ___25____ umbrella. He had gone to a concert with his grandparents. As they were leaving , he noticed an umbrella on an empty seat. Impressed by its ____26____, Oscar felt a strong desire to find its ___27____.Oscar ___28____ the manager to look in the record of advance ticket sales. Just as he thought, a name matched the seat ____29___ Oscar had found the umbrella . The name was Mrs. Katie O'brien.Oscar talked his grandparents into going by Mrs O'brien's ___30____ on their way home. He rang the bell , the door opened, and an elderly woman appeared. "May I __31___ you ? "she asked."I'd like to return it if its yours," Oscar said , ____32____ the umbrella as if presenting a ___33___ that had long been wished for."Why , yes! it's mine, "replied Mrs. Brien with a ___34____ smile and shining eyes. " It was given to by my father years ago. Thank you so much for returning it. May I offer you a reward for your ____35____ ? "" No, ma'am , " he said " my grandmother says a good deed is its own reward."" Well, that 's ____36_____ my father used to say. What is your name , Young man ?"Years later, Oscar was staring at the finely carved handle of the umbrella as he remember Mrs. O' Brien . It was in perfect condition, considering how__37__ it was. Why had it arrived here today?As if ___38____, a note fell from the paper. It read: Mrs O'brien wanted you to ___39___ this umbrella as a present for a kind, __40___gesture long ago.
(A) strictly
(B) carefully
(C) roughly
(D) casually