The prepositional phrase in this sentence is c. "to your sentence structure", because it is postmodifying an infinitive phrase (to bring complexity), which has the same value, in this case, as a noun phrase. Besides it is composed by a preposition (to) and a noun phrase (your sentence structure).
Option a. is a verb phrase as well as option b. In the same way, letter d. is not a prepositional phrase as it is an adjective phrase used in the comparative form.
Answer: sorry but you ganna fail because you need to write it yourself
Explanation:
True
Ziauddin Yousafzai founded a school in the Swat valley, Pakistan, where girls and boys were educated together.
A folktale because those always have stuff like that
I’m assuming it means that the pencil made a loud noise as it was being sharpened?