My cousins moved in with us last year. So we have grown closer as a family.
What is the best way to combine the two sentences or clauses?
A.
My cousins moved in with us last year, so we have grown closer as a family.
B.
My cousins moved in with us last year so we have grown closer as a family.
C.
My cousins moved in. With us last year, so we have grown closer as a family.
D.
My cousins moved in with us last year so; we have grown closer as a family.