某客户正在电话银行的“理财卡子账户”菜单下查询“子账户余额”，如果客户想查询主账户余额，请问以下哪种方法是正确的（）？

A、挂断电话重新拨打

B、转人工寻求帮助

C、按“#”号键返回上层菜单

D、按任意键键返回上层菜单

Spell out the word according to the sentence meaning and tip.(根据句意和提示完成单词)

1.I don't really know,I'm just g     .

2.I need one more stamp before c    my collection.

3.The children played t      in the street.

4.My English teacher asked us to c     the false sentences in class.

5.I want to       (提高)my English.?

6.You must try to improve yourg     .

7.She is too       (害羞) to speak in front of class.

8.My English teacher demanded us to write a p     when we complete a sentence.

9.English and American s     of some words are different.

10.I read Tolstoy's books in t      .