Answer:
The correct answer is A. Iambic tetrameter (The foot has an unstressed syllable followed by a stressed syllable. This pattern repeats four times in each line). In the excerpt the first syllable is not stressed, and it is followed by a stressed syllable; this is called a iamb.
No that's not quite correct Grammar. It should be more along the lines of "He is very serious like that every time he's listening to music on YouTube. He is a certified music lover at a young age."
The answer is b. It is separating the two adjectives that are describing the customer.
