3v3 D shots

The answer is C, "the d rating of the lone defenseman"

Your team defense against Dn shots depends on the configuration you've chosen.

1) If you've chosen "Forwards in the LW and RW positions and a defenseman in the C position", it's the D rating of the skater in the C position.
2) If you've chosen "Defensemen in the LW an RW positions and a forward in the C position", it's the sum of the D ratings of skaters in the LW and RW positions.

I could have done a much better job communicating this.