Question Analysis:
The given question is an analogy question. We are given the pair of words "Elated : Despondent" and we need to find the pair of words that has a similar relationship. To solve this analogy, we need to determine the relationship between the words "Elated" and "Despondent" and find the word that has a similar relationship with "Enlightened".

Given Pair:
Elated : Despondent

Relationship:
The word "elated" means extremely happy or joyful, while the word "despondent" means extremely sad or depressed. Therefore, the relationship between "elated" and "despondent" is that of opposites or antonyms.

Target Pair:
Enlightened : ?

Options:
a) Tolerant
b) Ignorant
c) Miserable
d) Aware

Analysis of Options:
a) Tolerant: There is no clear relationship between "enlightened" and "tolerant", so this option can be eliminated.
b) Ignorant: The word "ignorant" means lacking knowledge or awareness. This option seems to have a similar relationship as the given pair "elated : despondent". The opposite of being enlightened can be considered as being ignorant, so this option is a possible answer.
c) Miserable: There is no clear relationship between "enlightened" and "miserable", so this option can be eliminated.
d) Aware: The word "aware" means having knowledge or understanding. There is a similarity between "enlightened" and "aware" in terms of knowledge or understanding, but it is not the same relationship as the given pair "elated : despondent". Therefore, this option can be eliminated.

Conclusion:
After analyzing the options, we can determine that the word "enlightened" has a similar relationship with the word "ignorant" as the given pair "elated : despondent". Therefore, the correct answer is option 'B' Ignorant.