Question

Which sentence combines these two sentences using a coordinating conjunction?

I tried to go to bed early. I was so nervous I couldn't fall asleep.
A. Although I tried to go to bed early, I was so nervous I couldn't fall asleep.
B. I tried to go to bed early; I was so nervous I couldn't fall asleep.
C. I tried to go to bed early, but I was so nervous I couldn't fall asleep.​

Answer 1

Answer: C is the answer

Step-by-step explanation:

Answer 2

C, as "but" is a conjunction