--- I’ll be away on a business trip. Would you mind looking after my cat?

--- Not at all. ______.

A．I’ve no time

B．I’d rather not

C．I’d like it

D．I’d be happy to

在投资偏差分析时，其结果更能显示规律性，对投资控制工作在较大范围内具有指导作用的是 ( )。

A．累计偏差

B．绝对偏差

C．相对偏差

D．细微偏差