哪种插值方法给出最精确的结果？（）
A.最近
B.两次线性
C.两次立方
D.向下取样
参考答案：C
当一种期权处于极度实值或极度虚值时，其时间价值都将趋向于零。( )
完成下列对话。
Zoom: Hurry up. It's 6 o'clock now.
Zip: Just a minute. White 1. ? Red 2. ? Orange 3. ? Oh, yes!
I have a new 4. for my birthday party.
Zoom: What colour is it?
Zip: It's green.
Zoom: This yellow 5. is beautiful.
? Red 2. 
? Orange 3. 
? Oh, yes!
for my birthday party. 
is beautiful.