If the underlined words are "the sailors" (which I assume they are) the correct answer would be B. This way, you can replace the sentence with "They are happy to be returning home today." The three others are not grammatically correct.
Well art is a way to express your self so if people are critiques about it then they may not understand it. So if I were in there shoes I'd feel kinda wouldn't care because it's my artwork about my emotions :) hope I helped ya
