If a Satisfactory AP Shoulder Radiograph Is Made on a Patient

If a satisfactory AP shoulder radiograph is made on a patient measuring 12 cm using 100 mA,0.15 sec,70 kVp,and 40 inches SID,which of the following techniques will provide the most similar radiograph of a patient whose shoulder measures 16 cm?

A) 100 mA, 0.20 sec, 70 kVp, 40 inches SID
B) 100 mA, 0.25 sec, 70 kVp, 40 inches SID
C) 100 mA, 0.25 sec, 78 kVp, 40 inches SID
D) 300 mA, 0.15 sec, 70 kVp, 40 inches SID