Which of the following sentences is a compound sentence? A. Both the barista and the cashier gave me a huge, welcoming smile. B.
The line was significantly shorter than usual which was a relief. C. The coffee shop was usually full, but today there were many open tables. D. Although I was in a hurry, I still wanted to get a hot latte to go
I think it's C because but is a conjunction and it takes one independent cause and one dependent clause and mush them together with a conjuction which is also called a compound sentence.