Mae Was Asked to Solve the Following Problem: Pretend That

Multiple Choice

Mae was asked to solve the following problem: Pretend that you are a bus driver. You begin the day with an empty bus. At your first stop, you take on 10 passengers. At your second stop, 4 people get off the bus, and 12 people get on. At your third stop, 8 people get off the bus, and 2 people get on. At your fourth stop, nobody gets off the bus, and 1 person gets on. How old is the bus driver? According to Davidson, if Mae just adds the numbers without focusing on the relevant part of this problem, he or she is showing a lack of

A) selective attention.
B) selective encoding.
C) selective comparison.
D) selective combination.