An online article about the evolution of bicycles.
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.
The answer most likely is answer choice B it makes the most sense :D
I say a because A because my sister read the book.