Question

How did the Song improve upon the Tang version of the civil service system?

They mandated that most officials came from the military.
They made the examinations easier to pass.
They opened up the system to more people.
They required students to earn their degrees in three years.

Answer 1

It's C : They opened up the system to more people.

Answer 2

Either C to D I'm not fully sure, I'd say C though