读一读，判断正(√)误(×)。

( ) 1. New Year's Day is in January.

( ) 2. Chinese New Year is usually in February.

( ) 3. Christmas is always in December.

( ) 4. You don't go to school in August.

( ) 5. Teachers' Day is in October.

( ) 6. Spring usually starts from June.

在特殊情况下，储户可以用口头或函电形式申请挂失，但必须（）补办书面申请挂失手续。

A．在24小时内

B．在3天内

C．在5天内

D．在7天内