A:that; where
B:which; that
C:where; that
D:which; where
I don't think sixteen-year-olds should _____to go to an Internet cafe.
△ABC与△A′B′C′是位似图形,且△ABC与△A′B′C′的位似比是1:2,已知△ABC的面积是2,则△A′B′C′的面积是( )