A turning point of the continuously high
题型：选择题
问题：
A turning point of the continuously high housing price won't appear suddenly because there must be a certain process _ many factors lead to the change．
A．which
B．what
C．where
D．that
A turning point of the continuously high housing price won't appear suddenly because there must be a certain process _ many factors lead to the change．
A．which
B．what
C．where
D．that