Class Inclusion Tasks Are Difficult for a Preoperational Child Because

Multiple Choice

Class inclusion tasks are difficult for a preoperational child because _______.

A) it requires the child to have the ability of seriation.
B) the child unnecessarily compares various subclasses of information.
C) it requires the child to focus on two aspects of a situation at once.
D) the child focuses on assigning one item to a category at a time.