{{B}}pAssAgE 1{{/B}}

whAt is thE ExpECtED gross mArgin oF stmiCroElECtroniCs in thE sEConD quArtEr oF this yEAr A、32.5 pErCEnt.B、35.8 pErCEnt.C、28.8 pErCEnt.D、25.5 pErCEnt.