This describes Mr. Harvey, the serial killer, who has killed and gotten away with it so often that he almost believes his own innocence.
D) Their greed over the gold leads to their actual deaths
D) OMIT the underlined portion.
Archaeologists often begin their analysis when they return with the artifacts to a safe place, such as a laboratory. It sounds way better like this and it wouldnt sound right with any of the other options.
^_^
Taking in consideration that prepositional phrases are those that begin with a preposition and end with a noun, pronoun, gerund or clause, the only option that fulfills that criteria is option C. Therefore, this is your best answer.
