Answer:
Classification
Explanation:
Classification means to sort out the items of a given group on the basis of a certain common quality they posses and then spot the stranger or odd one out.
In this test, you are given a group of certain items, out of which all excepts one are similar to one another in some manner. The child is required to choose this one item which does not fit into given group.
In this case an 8 year old can know the difference between the irises and geraniums, that they are different types of flowers he/she can classify them.
His belief that people are self-interested
B: G–T–A–G–C–T is the answer