Final answer:
The correct sentence is option A: Li asked, 'What time does the train leave the station?'
Step-by-step explanation:
The correct sentence is option A: Li asked, 'What time does the train leave the station?'
Option B is incorrect because there should be a comma after 'dinosaurs' and before 'Jorge said.'
Option C is incorrect because there should be a comma after 'wonder' and before 'Rosa said.'
Option D is incorrect because there should be a comma after 'driver' and before 'and said.'