Answer:
B. encodes; ignores
Explanation:
The alternatives for this question are:
A. remembers; forgets
B. encodes; ignores
C. thinks about; remembers
D. processes; attends to
Tim should focus on the relevant fact that both symbols represent the same value, and disregard the irrelevant differences in their shape. Therefore, the answer choice better fills in the blanks is B. encodes; ignores.