What is the best way to combine these two sentences into one compound sentence? a. it started out innocently enough. it's still hard to believe. b. it started out innocently enough yet it's still hard to believe. c. it started out innocently enough, but it's still hard to believe. d. it started out innocently enough it's still hard to believe.

C. It started out innocently enough, but it's still hard to believe.

A broken relationship can be fixed if the right channels of communication are provided. In case the author wants to show his or her friends that there is a possiblility to mend things, the bridge between them would be the best object to simbolize the means to work out the broken relationship. Figuratively, the bridge can create the path which will take each part to the other side to overcome past difficulties. The right option is C.