A:p∧q
B:¬p∧q
C:p∧¬q
D:¬p∧¬q
如图,点O是矩形ABCD的中心,E是AB上的点,沿CE折叠后,点B恰好与点O重合,若BC=3,则折痕CE的长为( )
What does Jim think of his car?