1.They think it too difficult a question to answer?

題目：

1.They think it too difficult a question to answer?
2.They think it such a difficult question to answer?
3.they think it so difficult a question to be answered?
三個哪個答案對理由是?
第一個不是TOO TO

解答：

他們認爲,這樣一個難以回答的問題?
第二個,其他翻不通順.