Although the old man was ____ , but he didn’t feel ______. He had a dog as a company.

A．alone , alone

B．lonely , lonely

C．alone , lonely

D．lonely , alone

下面是对日常生活中一些物品的质量和长度的估计，其中最接近实际的是[ ]

A．一个苹果的质量约为1.5 kg

B．20个鸡蛋的质量约为500 g

C．比赛用篮球的直径约为25 cm

D．普通学生课桌的高度约为150 cm