TOEFL Reading: ETS-TOEFL阅读机经 - O1QF53DO4476Q5Q3L$

All of the following statements about the ulnar grasp are true EXCEPT: A. It is a relatively uncoordinated form of grasping. B. It is used by infants when they first engage in directed reaching. C. It develops only after infants become able to sit upright on their own. D. It makes use of the palm as well as the fingers to hold an object.