部分答案，供参考
1 - A11－－－父母身份证号，另外他们名字对应的中文电码commercial code，可以看这个链接找。（这也是多得坛子里的热心人给的，借花敬佛）http://chinesecommercialcode.com/index.php/search
2. declaration by person assisting---是按这个填的。do you authorize the person stated to act on your behalf 就应该填yes 吗？－－－选yes
3. English language ability - 选那个 none of the above