图E-69所示为兆欧表摇测电缆某相对另外两相及铠装层的绝缘电阻测试图，标示正确的有（）。

A.1-线芯

B.2-地线

C.3-三相三芯铠装电缆

D.4-铠装层；5-绝缘层

E.6-屏蔽层

F.7-兆欧表

A．He thinks that the things at sales are not good.

B．He thinks that the things at sales are of good quality.

C．He thinks that the things at sales are sometimes good.

D．He thinks that the things at sales are reasonable.