If it weren't for ~~~

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00Fear of his father couldn't keep Kim Jong Il from Sung Hae Rim. He was completely besotted with her. He was a film buff, passionate about the movies, and she was a beautiful and famous star of North Korean cinema. The two had become "pals," says Sung, through this mutual interest. Meanwhile, the actress saw the match partly as a way to lift political pressure from her own family. Her father was a wealthy South Korean landowner who sympathized with the Communists and moved north. In spite of that sacrifice, he was persecuted in his adopted country as a member of an enemy class. But politics was just one part of the actress's calculations, says Sung. Her sister was genuinely fond of Kim Jong Il and felt sorry for him because he grew up without his own mother. 02br
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01u00(a) If it weren't for02u00 his father's potential disapproval, Sung Hae Rang believes, (b) the match might have proved much happier. (c) 01u00"If circumstances had been different02u00," she wrote in her memoir, (d) "01u00they could've made02u00 a great couple." Instead, no one outside a tiny circle knew they were partners until after his father died and was succeeded by Kim. 02br
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00************02br
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00Thanks for those who helped me with my question on "I wish I 01u00were/had been02u00 rich"02br
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00Above is an article from Time magazine. 01a05000 02a02br
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00In the article, (b), (c), and (d) seems to fit the explanations given, but (a) doesn't.02br
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00It seems that (a) needs to be changed into "If it had not been for~~~", because it is referring to the past situation.02br
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00Could you give some more explanation? 02br
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00Or, is the sentence simply not correct?02br
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0250hrefhttp://www.time.com/time/asia/covers/501030630/story.html