—Jane, which color do you prefer, red or
题型：选择题
问题：
—Jane, which color do you prefer, red or blue? —______. I prefer to buy a green one.
A．Either will be OK
B．Both will be OK
C．To be honest, neither
D．Generally, I’m not sure
题型：选择题
—Jane, which color do you prefer, red or blue? —______. I prefer to buy a green one.
A．Either will be OK
B．Both will be OK
C．To be honest, neither
D．Generally, I’m not sure
，求f（x）。