It can't be denied that the Diaoyu Islands are_____part of China and what some Japanse have donerecently is acyually,______offence against Chinese people.A.a./ B.a,the C.the./ D./,an 请问选什么?为什么?

It can't be denied that the Diaoyu Islands are_____part of China and what some Japanse have donerecently is acyually,______offence against Chinese people.A.a./ B.a,the C.the./ D./,an 请问选什么?为什么?
It can't be denied that the Diaoyu Islands are_____part of China and what some Japanse have done
recently is acyually,______offence against Chinese people.A.a./ B.a,the C.the./ D./,an 请问选什么?为什么?

It can't be denied that the Diaoyu Islands are_____part of China and what some Japanse have donerecently is acyually,______offence against Chinese people.A.a./ B.a,the C.the./ D./,an 请问选什么?为什么?
选A
a part of China 意思是中国领土的一部分；part 可数,也不特指,所以用a；
offence 不可数,也不特指,所以不加冠词