Which of the Following Can Be Said About a 5-Month-Old

Multiple Choice

Which of the following can be said about a 5-month-old infant grasping an object?

A) She can be increasingly successful at grasping objects.
B) She may be able to grasp the object, but does not know how to let go of it.
C) She is probably using the ulnar grasp.
D) All of these can be said about a 5-month-old's grasping behavior.