Identify Which Option Lists All of the Past Participial Phrases

Multiple Choice

Identify which option lists all of the past participial phrases in the following sentence:
The letter, written in 1943 by a local resident, claims that a UFO landed in the town square.

A) written; claims; landed
B) written in 1943; landed in the town square
C) written in 1943 by a local resident
D) written in 1943 by a local resident; landed in the town square