Which of the Following Is the Best Way to Palpate

Which of the following is the best way to palpate the lymph nodes in the neck?

A) Using gentle pressure,palpate with both hands to compare the two sides.
B) Using strong pressure,palpate with both hands to compare the two sides.
C) Gently pinch each node between one's thumb and forefinger,and move down the neck muscle.
D) Using the index and middle fingers,gently palpate by applying pressure in a rotating pattern.