Answer:
O Jonah has two ultimate goals: becoming a published columnist and writing a book.
Step-by-step explanation:
Parallel structure in any given sentence is the use of the same grammatical structure or construction in the sentence. This repetition of the grammatical form in a single sentence allows for better readability and understanding, also making it easier to be framed.
In the given sentence, parallelism occurs in the use of the "verb+ing" in the words "becoming" and "writing". It presents a smooth flow of words and the sentence construction makes for perfect rhythm. Thus, the correct answer is the first option.