题目内容：
共用题干Helen and Martin
With a thoughtful sigh,Helen turned away from the window and walked back to her favourite armchair.______(1) her brother never arrive?For a brief moment,she wondered if she really cared that much.
Over the years Helen had given______(2) waiting for Martin to take an interest in her.Her feelings for him had gradually______(3) until now,as she sat waiting for him,she experienced no more than a sister's ______(4) to see what had ______(5) of her brother.
Almost without______(6) ,Martin had lost his job with a busy publishing company after spending the last eight years in New York as a key figure in the US office.Somehow the two of them hadn't______(7) to keep in touch and,left alone,Helen had slowly found her______(8) in her own judgment growing.______(9) the wishes of her parents,she had left university halfway______(10) her course and now,to the astonishment of the whole family,she was______(11) a fast-growing reputation in the pages of respected art magazines and was actually earning enough to live______(12) from her paintings.
Of course,she______(13) no pleasure in Martin's sudden misfortune,but she couldn't______(14) looking forward to her brother's arrival with______(15) satisfaction at what she had achieved.
1._________
A:Could
B:Should
C:Would
D:Ought
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