Correct option is D
The codes given for each letter in "TALKER" and "TALKED":
· TALKER is coded as !@#©$%
· TALKED is coded as $%@#!£
By comparing the positions of each letter and symbol in both words, we can determine the corresponding codes:

From this analysis, it is clear that the letter D is represented by the symbol £ in this code language.
Correct answer: (d) £