問一道英語必修三第五模塊的英語題,

題目：

問一道英語必修三第五模塊的英語題,
1 Not until many years later____known
A did the whole truth become
B the whole truth become
C had the whole truth become
D the whole truth had become
答案爲什麼是A,不是C

解答：

not until通常只用於一般過去時,用於闡述過去的一個事實.
過於完成時通常從語境中可明顯看出是「過去的過去」,此題中不能看出.過去完成時標誌詞常有by the time...before...等.