“就(jiù)” vs “才(cái)”: Sooner or Later?

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)