A Right Lateral Fourth Finger Projection Obtained with the Hand

A right lateral fourth finger projection obtained with the hand internally rotated to 20 degrees demonstrates
1) equal soft tissue width on both sides of the phalanges.
2) more phalangeal midshaft concavity on the side facing the fifth finger.
3) convexity on one side of the phalanges and concavity on the opposite side.
4) greater phalangeal midshaft concavity on the side facing the third finger.

A) 1 and 4 only
B) 2 and 3 only
C) 4 only
D) 2, 3, and 4 only