The answer is C. This is because but is being used as a conjunction separating independent clauses in the other answers. You can remove but from A, B, and D, and you are left with 2 simple sentences.
I hope this helps!!!
It is an example of a sentence with a misplaced modifier. It makes it seem that the dog is carrying the umbrella.
After suffering a ruptured appendix,he refused to cancel his performance . and Houdini died several days later of complications at the age of 52.
The husband must file a divorce