酸性焊条其熔渣的成分主要是酸性氧化物( )。

A．5iO₂、NiO₂、FeO

B．Fe₂O₂、TiO

C．FeO、SiO

D．SiO₂、TiO₂、FeO₂

This suit fits me well _______ the trousers are too long.

A．only

B．except for

C．except that

D．except