从A、B、C、D四个选项中，。找出其划线部分与所给单词的划线部分读音相同的选项。

1．southern

       A．thread                 B．method                C．author                 D．smooth

2．company                   

       A．computer            B．common              C．comfort              D．fond

3．extra

       A．explanation          B．expensive            C．experiment          D．exist

4．Wednesday

       A．fasten                 B．besides                C．island                  D．broadcast

5．various

       A．fortunate             B．advantage            C．parent                 D．classical