The sentence that contains the parallel structure is (b) We can hope for our children, hope for the future, hope for solutions and resolutions. Parallel structure (parallelism) is the repetition of a chosen grammatical form within a sentence, but the grammatical form must be of the same grammatical unit. For example, if the noun is chosen then the following items in creating parallel sentences should be also nouns. In sentence be the parallelism is achieved through repetition of the verb hope.