If You Wanted to Use Internal Pressures Toward Consistency to Ensure

If you wanted to use internal pressures toward consistency to ensure that people would attend an important event,you should

A) create a list with the names of the people who are invited and let them cross out their name if they don't want to attend.
B) create an attendance form that required some effort to complete.
C) post a list of all the people who have already agreed to attend the event.
D) have an attractive member of the opposite sex fill out attendance forms for people.