The Recommended Technique for Palpating the Liver in a Toddler

The recommended technique for palpating the liver in a toddler is to use the

A) ulnar surface of the hand to press down and then upward at the right upper quadrant.
B) tips of two fingers to press inward along the right costal margin.
C) outer edge of the right thumb to press down and scoop up at the right upper quadrant.
D) palmar surface of your right hand placed parallel to the right costal margin.