How could you combine the following two sentences into a complex sentence with a  dependent adjectival clause? the boy wore a green coat. he carried his sister home.                a.  the boy wore a green coat, and he carried his sister home.      b.  the boy wore a green coat; he carried his sister home.      c.  the boy who wore a green coat carried his sister home.      d.  the boy carried home his sister's green coat.