Please choose the correct answer to fill in the blanks.
Lucy: Nǐ zěnme xiànzài ___ lái?
Lucy：你 怎么 现在 ___ 来？
Lucy: Why are you coming so late?
Lǐ Míng: Duìbuqǐ, wǒ wǔdiǎn ___ chūmén le, kěshì lùshàng dǔchē.
李 明： 对不起， 我 5点 ___ 出门 了，可是 路上 堵车。
Li Ming: I’m sorry. I left home at five o’clock but there was a traffic jam.
A. 就(jiù), 才(cái)
B. 才(cái), 才(cái)
C. 才(cái), 就(jiù)