Bill Is Standing on the Ledge of a Tall Building

Multiple Choice

Bill is standing on the ledge of a tall building.He yells out to the gathering crowd,"I have nothing left to live for!" Research suggests that people are more likely to chant,"Jump! Jump! Jump!"

A) after 6:00 p.m. (as opposed to earlier in the day) .
B) when the temperature exceeds 90 degrees Fahrenheit.
C) when the crowd exceeds 300 people.
D) after 6:00 p.m. (as opposed to earlier in the day) , and when the crowd exceeds 300 people.