Please help!!

Read the sentences from the article.

According to the idea of holy war, Christian warriors had a duty to do God’s work by fighting for the church.
Priests, knights and common people alike shouted, “God wills it!”
One of them, a group of knights and peasants known as the People’s Crusade, managed to reach Constantinople, the capital of the Byzantine Empire.
Many Crusaders returned home, but others stayed and were joined by new companies of Crusaders.
Which two sentences, taken together, provide the BEST evidence to support the idea that many regular citizens supported the Crusades?

A
1 and 2
B
2 and 3
C
1 and 4
D
3 and 4