It can’t be denied that the Diaoyu Islands are _______ part of China and what some Japanese have done recently is actually a defence against _______ Chinese people.

A．a; /

B．a; the

C．the; /

D．/; the

电缆线径应考虑统一环路设计，基本线径可采用（）。

A.0.4mm

B.0.5mm

C.0.6mm

D.0.7mm