Which of the following is done correctly, including the carries?

A$.$

$0100$

$0010$

$0111$

$1001$

B$.$

$0100$

$0010$

$0111$

$1011$

c$.$

$[0110],[0010],[0111],[1001]$

D$.$

$1100$

$0010$

$0111$

$-1001$