Final answer:
The theme developed in both 'The Country Students' and 'The Suburban Transfer' is that difficult times can be made easier by good friends.
Step-by-step explanation:
The theme developed in both 'The Country Students' and 'The Suburban Transfer' is B: Difficult times can be made easier by good friends.
In 'The Country Students,' the protagonist faces challenges in adapting to a new school and making friends. However, they find comfort and support in their classmates, who help them navigate their difficult times.
In 'The Suburban Transfer,' the main character also faces difficulties in adjusting to a new environment. However, they find solace in forming new friendships, which provide them with emotional support and make their difficult times more manageable.