PREP中it的指代问题

qiongle

It was only after Katharine Graham became publisher of The Washington Post in 1963 that it moved into the first rank of American newspapers, and it was under her command that the paper won high praise for its unrelenting reporting of the Watergate scandal.

• AIt was only after Katharine Graham became publisher of The Washington Post in 1963 that it moved into the first rank of American newspapers, and it was under her command that the paper won high praise
• BIt was only after Katharine Graham's becoming publisher of The Washington Post in 1963 that it moved into the first rank of American newspapers, and under her command it had won high praise
• CKatharine Graham became publisher of The Washington Post in 1963, and only after that did it move into the first rank of American newspapers, having won high praise under her command
• DMoving into the first rank of American newspapers only after Katharine Graham became its publisher in 1963, The Washington Post, winning high praise under her command
• EMoving into the first rank of American newspapers only after Katharine Graham's becoming its publisher in 1963, The Washington Post won high praise under her command
  

正确答案 A


A中的3个it难道都是强调句中的it吗？我觉得只有第一个it是强调成分啊，it is that，而后面的it都没有这个成分吧？希望知道的前辈能指点一下。我选的是E，问题在哪？谢谢了。

wyw1018

it 指代The Washington Post未划线部分有its和划线部分的后半部分也有the paper作为线索

qiongle

两个不同性质的it可以同时存在？