$28.)$ The working point used to minimize eccentric loading at the connection of the column flange and a W$18$ beam, should be located:

A$.)$ On the face of the column flange, flush top of steel'with the beam.

B$.)$ On the face of the column flange, flush with the beam's bottom flange.

C$.)$ At the intersection of the column centerline and a line sown from the beam's top flange, half of its nominal depth.

D$.)$ At the column centerline and flush top with the beam.