All of the above are common linking expressions. But if you must chose one pick and, or but.
Yes because Jack is married, looking at Anne, who is looking at a unmarried person
The book is of an innocent man wrongly, but imprisoned and his brilliant strategy for revenge against the people who betrayed him. Sailor Edmond Dantes is a guileless and honest young man who has a very peaceful life and has plans to marry the beautiful Mercedes are sadly ruined and shattered.
Hope this helped :)
They allow readers to multitask
