规定一个营业小组中10%的员工可评为优秀员工，应用的标准是( )。

A．绩效标准
B．行为标准
C．绝对标准
D．相对标准

One reason for the successes of Asian immigrants in the U.S. is that they have taken great() to educate their children.

A. efforts

B. pains

C. attempts

D. endeavours