Beginner Level 初级 (chūjí)
Conversation:
Anne and Tom walked past the cinema and saw the poster advertising the 3D-version of the movie, “Titanic.”
Tàitǎnníkèhào jìngrán chū 3D bǎn le.
Anne: 泰坦尼克号 竟然 出 3D 版 了。
Shì a, nǐ cái zhīdao a.
Tom: 是啊，你才 知道 啊。
In this conversation, what does “才 (cái)” mean?
A. just
B. only
C. not until