The answer is Tetrameter, hence the prefixes used in each choice. Tri, meaning 3, tetra meaning 4, penta meaning 5, and hepta meaning 7.
Re-written sentence with correct punctuation:
Pastor Elrod's sermon today was based on Matthew 5:3; which is the opening verse of the Sermon on the Mount.
“The school is offering art classes to all of its students” is the correct answer