已知过原点O的一条直线与函数y=log₈x的图像交于A、B两点，分别过点A、B作y轴的平行线与函数y=log₂x的图像交于C、D两点.

(1)证明: 点C、D和原点O在同一条直线上；

(2)当BC平行于x轴时，求点A的坐标.

.Part of the family _______ out on holiday. They are supposed to be back at the end of this week.

A．is

B．are

C．was

D．were