Answer:
Option B, paradox
Explanation:
A paradox is a type of figure of speech in which a statement contradict itself. It is generally used to express some kind of astonishment when something unusual or unexpected happens.
For example – “Wise fool” is a contradictory statement and thus it is a paradox.
Here in this example – it is being said that “though you are not too long to wait for but still I will wait for you for my entire life” This is a contradictory statement and thus can be considered as a paradox.