If the options are metaphor, alliteration, allusion, and apostrophe, I believe the answer is metaphor, because the others don't fit.
Alliteration is the repetition of a consonant.
Allusion is reference to something or somebody outside of that literary work.
And apostrophe is the author speaking directly to somebody outside the poem, usually gods or a muse.
I believe the answer is true
Absurd answer: well you see here the answer to the first question is the king of Rome’s lobster who was in a cave for 73 days before he was saved by a water moccasin
The answer to the second question is a tic-tac-toe board with two pics of grandmas
The third answer is a couple of frogs eating lima beans and sniffing Mentos
The fourth answer is the giant hand that comes down from Jack and the bean stock
The fifth answer is a bamboo tree that smells like a thumbtack
The sixth answer is an electric toothbrush with an eraser on the bottom
The seventh and final answer is an airplane that crashed into a block of note books
At the minimum, a prepositional phrase will begin with a preposition and end with a noun, pronoun, gerund, or clause, the "object" of the preposition. In = preposition; the, weedy, overgrown = modifiers; garden = noun.