its is correct this is correct beacuse hen you think about the question the answer will be the answer you got.
Answer: It emphasizes that fighting the British is the only option left for the colonists.
Explanation:
They have tried reasoning with the British for 10 years, but it is just not working. Also, the previous tries have NOT been successful, so the only other answer we have a B.
b isn't a valid question of a critical question.