Answer:
D. Dictionary
Step-by-step explanation:
Every word has its meaning explained in the dictionary. The dictionaries may be of different types, but the meaning of the word is different or closely related. Therefore for Ted to find the meaning of the word static, he will have to look for the purpose in various dictionaries and then compare the results. Nevertheless, he is able to get the exact explanation based on the form that it is used. This is because the word can be used in diverse ways.